A barnu wrth – judging by
A bwrw bod - assuming that
A bwrw golwg gyffredin dros – taking a general look at / taking an overview of
Ac i goroni y blinderau – and to add insult to injury
Achub y cyfle – to seize the opportunity
Adar o’r unlliw, ehedant i’r unlle – birds of a feather flock together
A dweud y gwir – actually / to tell the truth
A dweud y lleiaf – to say the least
A ddarlleno, ystyried - let him who reads, reflect
A ddwg ŵy a ddwg fwy - a leopard never changes his spots
Aderyn brith - someone not to be trusted
Adfyd a phall a wna ddyn yn gall – adversity and failure make a wise man
A'i ben yn ei blu - like a wet weekend / exhausted
Ail ennyn – to rekindle
Amser yn hanfod – time is of the essence
Amcan - gyfrifwyd – it was estimated
Amgylchiadau gwasgedig – restricting / difficult circumstances
Aml-ddoniog – multi-talented
Amser a ddengys - time will tell
Amser yn cerdded - time dragging/ going slow
Anllad a didostur – wanton and ruthless
Apelio’n ddaer – to appeal earnestly
Ar amcan - randomly
, Ar bigau'r drain - on tenterhooks
Ar du ei dad - On his father's side (of the family)
Ar ei union - immediately
Ar flaen fy nhafod - on the tip of my tongue
Ar fyr dro – shortly, in no time at all
Ar goedd - publicly
Argoeli’n dda – to bode well
Ar gof a chadw - on record
Argyhoeddiadau cryfion – strong/ deep convictions / beliefs
Ar gynhyrfiad y foment - on the spur of the moment
Ar gefn ei geffyl gwyn - full of mischief
Ar gof a chadw – on record
Ar lan y bedd – at the graveside
Ar y clwt – down and out
Ar y gweill - in progress
Asgwrn y gynnen - bone of contention
At ei gilydd - on the whole
Awr wan - a weak moment
Bob cam – all the way
Bob yn ail - every other
Breuddwyd gwrach – wishful thinking
Brith gof - a faint recollection
Brwydro dros – to fight for / to campaign towards
Budrelwa oddi wrth – to profiteer from
A bwrw bod - assuming that
A bwrw golwg gyffredin dros – taking a general look at / taking an overview of
Ac i goroni y blinderau – and to add insult to injury
Achub y cyfle – to seize the opportunity
Adar o’r unlliw, ehedant i’r unlle – birds of a feather flock together
A dweud y gwir – actually / to tell the truth
A dweud y lleiaf – to say the least
A ddarlleno, ystyried - let him who reads, reflect
A ddwg ŵy a ddwg fwy - a leopard never changes his spots
Aderyn brith - someone not to be trusted
Adfyd a phall a wna ddyn yn gall – adversity and failure make a wise man
A'i ben yn ei blu - like a wet weekend / exhausted
Ail ennyn – to rekindle
Amser yn hanfod – time is of the essence
Amcan - gyfrifwyd – it was estimated
Amgylchiadau gwasgedig – restricting / difficult circumstances
Aml-ddoniog – multi-talented
Amser a ddengys - time will tell
Amser yn cerdded - time dragging/ going slow
Anllad a didostur – wanton and ruthless
Apelio’n ddaer – to appeal earnestly
Ar amcan - randomly
, Ar bigau'r drain - on tenterhooks
Ar du ei dad - On his father's side (of the family)
Ar ei union - immediately
Ar flaen fy nhafod - on the tip of my tongue
Ar fyr dro – shortly, in no time at all
Ar goedd - publicly
Argoeli’n dda – to bode well
Ar gof a chadw - on record
Argyhoeddiadau cryfion – strong/ deep convictions / beliefs
Ar gynhyrfiad y foment - on the spur of the moment
Ar gefn ei geffyl gwyn - full of mischief
Ar gof a chadw – on record
Ar lan y bedd – at the graveside
Ar y clwt – down and out
Ar y gweill - in progress
Asgwrn y gynnen - bone of contention
At ei gilydd - on the whole
Awr wan - a weak moment
Bob cam – all the way
Bob yn ail - every other
Breuddwyd gwrach – wishful thinking
Brith gof - a faint recollection
Brwydro dros – to fight for / to campaign towards
Budrelwa oddi wrth – to profiteer from