(idiomatic, simile) out of the blue (unexpectedly)

(transitive, figuratively) to know backwards, to know inside and out, to know off pat, to have down pat

post-1990 spelling of être sur son trente et un

(informal) to get things straight, to make things perfectly clear, to put the record straight, to spell it out, to lay down the law

to be dressed to the nines, to be dressed to kill

Alternative form of tirer des plans sur la comète

Alternative form of tirer des plans sur la comète

(figuratively, informal) to chase rainbows, to build castles in the air, to reach for the stars, to shoot for the moon (to make overly ambitious plans)

Synonym of cataplasme sur une jambe de bois

Synonym of cataplasme sur une jambe de bois