Yn y bae llyngesol, roedd popeth yn glasurol gyda awyr o arweinyddiaeth hyderus ar ysgwyddau Gareth.

In the bae llyngesol, everything was classic with an air of confident leadership on Gareth's shoulders.

Roedd y dyddiau'n byr, y nosweithiau'n hir, a'r oerfel yn treiddio trwy bob croen.

The days were short, the nights long, and the cold penetrated through every skin.

Roedd y bae'n llawn gweithgaredd, er bod llawer o bersonél wedi mynd adref ar gyfer gwyliau'r Nadolig.

The bae was full of activity, although many personnel had gone home for Christmas holidays.

Roedd addurniadau a goleuadau yn drwch o gwmpas, yn difetha'r niwl metelaidd oedd dros y llongau mawr a oedd yn gorwedd yn hirgrwn yn erbyn y glannau.

Decorations and lights were thick all around, spoiling the metallic fog that lay over the large ships stretched oblong against the shores.

Roedd Gareth yn gweithio'n galed i baratoi ar gyfer yr archwiliad offer pwysig, roedd y cyfnod yn hanfodol iddo.

Gareth was working hard to prepare for the important equipment inspection; the period was crucial for him.

Roedd eisiau sicrhau bod popeth yn berffaith, yn union er mwyn argyhoeddi ei uwch swyddogion ac ennill dyrchafiad.

He wanted to ensure everything was perfect, precisely to convince his senior officers and earn a promotion.

Roedd Rhiannon, ei ffrind gorau, yn gefn iddo bob cam o'r ffordd.

Rhiannon, his best friend, supported him every step of the way.

Roedd hi'n feistres o bwyll ac yn ddigon aeddfed i gadw Gareth yn wybodus.

She was a mistress of discretion and mature enough to keep Gareth informed.

Ar y llaw arall, roedd Eira, newydd gyrraedd ar y bae, yn llawn bywyd a brwdfrydedd.

On the other hand, Eira, newly arrived at the bae, was full of life and enthusiasm.

Er ei bod yn newydd, roedd ganddi ddealltwriaeth dwfn o offer. Roedd hi'n gyson yn cyfrannu ysbrydoledd at bawb o'i cwmpas.

Despite being new, she had a deep understanding of equipment and consistently contributed inspiration to everyone around her.

Ond neidiodd calonnau Gareth a'i dîm pan sylweddolwyd bod nam mawr ar y cyfarpar.

But Gareth's and his team's hearts leaped when it was realized there was a major fault with the equipment.

Roedd hyn yn amlwg er bod gweithlu byr, ac roeddent i gyd yn gwybod pa mor hanfodol oedd cael y ceganiad ar sail ddiffwdan.

This was evident despite a short workforce, and they all knew how crucial it was to get the fix on a solid footing.

Roedd pawb isel, ac roedd misoedd o waith caled ar fin cael ei ddinistrio gan y broblem hon.

Everyone was downcast, and months of hard work were about to be destroyed by this problem.

"Beth wnawn ni, Gareth?" gofynnodd Eira, ei llygaid yn llawn bryder.

"What shall we do, Gareth?" asked Eira, her eyes full of worry.

Roedd Gareth yn wynebu dilema, ac roedd angen iddo wneud penderfyniad sydyn.

Gareth faced a dilemma, and he needed to make a quick decision.

Gofyn am gymorth ychwanegol fyddai'n dangos diffyg hunan-ddibyniaeth, a gallai beryglu'r dyrchafiad roedd yn ei ddymuno gymaint.

Asking for additional help would indicate a lack of self-reliance and could jeopardize the promotion he so desired.

Ond yna, cafodd syniad.

But then, he had an idea.

Yn ystod y nos, tua'r un pryd a'r sêr Nadoligaidd a fyddai'n goleuo'r ffordd, gwnaethon nhw feddwl yn greadigol.

During the night, around the same time as the Christmas stars that would light the way, they thought creatively.

Cenhadaeth oedd eu herwydd, ac ymunodd Rhiannon, gyda chwiwlydwch chwilfrydig Eira, i ddatrys y broblem anghyffredin.

It was their mission, and Rhiannon joined, with Eira's curious spiritedness, to solve the unusual problem.

Drannoeth, fe wnaethon nhw gyflwyno'r adnodd adferol ac amgen i'r uwch swyddogion yn rheolaidd.

The next day, they presented the restorative and alternative resource to the senior officers as scheduled.

Roedd archwiliad yr offer yn llwyddiant ysgubol.

The equipment inspection was a resounding success.

Er na wnaeth Gareth dderbyn dyrchafiad uniongyrchol, fe wnaeth ei feddwl cyflym a'i benderfyniad tîm syfrdanol argraff ar ei uwch swyddogion.

Although Gareth did not receive a direct promotion, his quick thinking and his team's astounding decision made a strong impression on his senior officers.

Dysgodd Gareth y wers am allu cydweithio a sylweddoli bod gofyn am gymorth weithiau'n arwydd o hyder ac nid methiant.

Gareth learned the lesson about the ability to collaborate and realized that asking for help is sometimes a sign of confidence and not failure.

Roedd y Nadolig hwn wedi dod â champ newydd i'r bae a gadawodd bawb yn cynhesu tu mewn, er gwaetha'r oerfel y tu allan.

This Christmas had brought a new achievement to the bae and left everyone warmed inside, despite the cold outside.

Ar derfyn y dydd, roedd eu tynged, nid yn unig wedi'i selio gyda llwyddiant, ond hefyd wedi ei hadnewyddu gyda'r syniad bod teamwork yn siwt gorau un o gemau bywyd.

At the end of the day, their fate was not only sealed with success but also renewed with the idea that teamwork is indeed one of life's best games.

wythnos nesaf, dechreuodd Gareth ar y llwybr i ddychwelyd i’r llinell fainc gyda llawer mwy o fewnwelediad na'i tanfod cyn y gwyliau.

The following week, Gareth began his path back to the bench line with much more insight than he had before the holidays.