to be enthusiastic about

to drive in (e.g. nail stake), to devote oneself to, to shoot into, to smash, to throw into, to cast int

to bury

to herd, to corner, to drive

to push into, to crowd into

to fall into, to feel down (sad)

to be crowded, to come in (attached to a verb), to put in

to be crowded

to dive/jump in

to apply, to ask for

to insert, to include, to cut in (printing)

to gulp down, to swallow deeply, to understand, to take in, to catch on to, to learn, to digest

to board, to embark on, to get into (a car), to ship (passengers), to man (a ship), to help (someone) int

to throw into

to cut in, to thrust oneself into, to wedge oneself in, to muscle in on, to interrupt, to disturb

to be under impression that, to be convinced that

to plunge into, to go into deeply

to melt into

to deposit, to pay in

to draw back, to sink, to cave in

to be crowded