(intransitive, of a cat) to arch one's back / (intransitive, idiomatic) to weather the storm, lie low

at the same time, at once, in the same breath, simultaneously / on the other hand, at the same time, then again

(informal) to step on it, to floor it, to put the pedal to the metal, to put one's foot down, to step on the gas

(figuratively) to play with fire

most significant bit (bit of the largest order)

least significant bit (bit of the smallest order)

believe it or not (you may not believe the following, but it is true)

with both arms around someone's body, bodily / completely invested in resolving a problem, head-on

(idiomatic) to get drunk

Saint-Martin-le-Nœud