(informal, figuratively) to call the shots, to call the tune, to rule the roost (to be the one who makes the rules, to be the one who decides)

(transitive with à) (informal) to get off someone's back, to leave someone alone

on second thought, on reflection

(transitive with à) to steal someone's thunder, to steal the show from someone, to steal the limelight from someone

(informal) to impress the audience, to impress people, to cause a sensation

(informal) in the bag (virtually assured of success)

(informal) to do a bunk, to take French leave, to take off

to take someone's temperature, to measure the temperature of someone / to test the water; to sound out, to gauge, to put out feelers

(informal) to swallow involuntarily a mouthful of water when swimming / (informal) to go under, to lose a lot of money

(figuratively) to right the ship, to put things right, to get back on track