to adjust to a new environment or situation
新しい環境や状況に適応する (atarashii kankyou ya joukyou ni tekiou suru)
"After moving to a new city, it took her some time to adapt to new surroundings."
"新しい街に引っ越した後、彼女が新しい環境に適応するまでに少し時間がかかった。" (atarashii machi ni hikkoshita ato kanojo ga atarashii kankyou ni tekiou suru made ni sukoshi jikan ga kakatta)
to be extremely happy
to ignore or hide a problem or mistake
crying because of happiness
A victory won at too great a cost to be worthwhile.
having lived a long and fulfilling life
to gradually build courage, energy, or an appetite