masculí nail , tack , stud , spike de rosca screw sec com un clau as thin as a rake reblar el clau to reinforce an argument un clau en treu un altre new worries will help you forget the old ídem figuradament a new love helps to forget the old one clavar a algú un clau al cor to cause someone great suffering \ affliction , upset someone fer entrar el clau per la cabota try to fit \ put a square peg in a round hole , try to do the impossible no deixar ni un clau a la paret lladre to clean the place out no val ni un clau it’s not worth anything , it’s useless zoologia ullal…