to start behaving better after doing something wrong
悪いことをした後に良く振る舞い始める (warui koto o shita ato ni yoku furumai hajimeru)
"After the accident, he decided to turn over a new leaf."
"事故の後、彼は新しい人生を始めることにした。" (jiko no ato kare wa atarashii jinsei o hajimeru koto ni shita)
to feel like you are about to cry because of strong emotions
the real value of something can only be judged when it's put...
to be upset about something that cannot be changed
unexpectedly or without warning
according to one’s own opinion or standards
someone’s real character or intentions
