as bald as a cue ball
US /æz bɔld æz ə kju bɔl/
UK /æz bɔld æz ə kju bɔl/

1.
calvo come una palla da biliardo, completamente calvo
completely bald; having no hair on one's head
:
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After years of losing hair, he was finally as bald as a cue ball.
Dopo anni di perdita di capelli, era finalmente calvo come una palla da biliardo.
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My uncle has been as bald as a cue ball since his twenties.
Mio zio è calvo come una palla da biliardo fin dai suoi vent'anni.