Hai cercato la traduzione di gadw eich pen yn uchel fy ffrind da Gallese a Inglese

yr ydych wedi claddu eich pen yn y tywod
you have buried your head in the sand

byddech fel estrys yn cuddio eich pen yn y tywod wrth ddweud na ddylid cael unrhyw newid yn narpariaeth y cyfleusterau hyn
it would be ostrich-like to put your head in the sand and say that there should never be change in the provision of these facilities

nid oes ond raid ichi ddarllen rhai o'r straeon yn y wasg genedlaethol ambell waith i wneud ichi fod eisiau rhoi eich pen yn eich dwylo a sgrechian o ddifrif , oherwydd eu meddylfryd a'r modd y maent bron yn creu casineb
you only have to look at some of the stories run in the national press some days to make you want to put your head in your hands and really scream , because of their mentality and the way in which they almost stir up hatred

dioddef rhyw 70,000 o bobl y gosb yn ystod teyrnasiad harri viii. dienyddio ( "death gan axe") roedd hwn yn gosb a arweiniodd at eich pen yn cael ei wedi'u torri i ffwrdd! mae'r penaethiaid eu gosod weithiau ar pigau ar hyd bridge llundain neu fannau eraill.
some 70,000 people suffered the death penalty during the reign of henry viii. beheading ("death by the axe") this was a punishment that resulted in your head being chopped off! the heads were sometimes placed on spikes along london bridge or other places.