To lose control of your emotions; to break down.
感情のコントロールを失う; 崩壊する。 (kanjou no kontorōru o ushinau; hōkai suru.)
"She went to pieces after hearing the bad news."
"彼女は悪いニュースを聞いた後、崩れ落ちた。" (kanojo wa warui nyūsu o kiita ato, **kuzureochita**.)
to start behaving better after doing something wrong
a political movement started and driven by ordinary people
to be going in the correct direction to achieve success
to be completely exhausted or out of patience
to take on a task that is too big to handle
to try to get something such as information or praise