(transitive with à) to follow up (on a case), to pursue, to act on

to give birth / to create, to engender, to bring into existence

to enjoy something wholeheartedly, to throw oneself into something wholeheartedly, to enjoy oneself to the full, to have a field day, to indulge oneself to one's heart's content

(figuratively, informal) not know whether one is coming or going, not know which way to turn

(figuratively) to set the tone, to set the pace

(transitive with à) to give rise to, to lead to, to cause, to bring about

to set an example

not to give much for someone's chances, to think someone is dead meat

(transitive with à) to prove someone/something right, to bear someone/something out / (transitive with à) to agree with

(figuratively) to stir up a hornets' nest, to stir things up