(idiomatic) to curb, to halt, to put an end to

Same as above.

brake; drag; skid; pawl / restraint; curtailment; self-imposed limit; check

needed, necessary

need, necessity

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

成り掛ける: to be on the verge, to be on the brink.

賭け: gambling, betting / 掛: credit / soba served in a hot soup

to call by phone

when it comes to... / in the filed of...