an unexpected gift or blessing
予期しない贈り物や祝福 (yokishinai okurimono ya shukufuku)
"The bonus was manna from heaven during the tough month."
"そのボーナスは難しい月の間、マンナ フロム ヘヴンでした。" (Sono bohnasu wa muzukashii tsuki no aida, manna from heaven deshita.)
no longer involved or relevant
to behave freely and enjoy oneself
to greet someone
to do one's fair share of work in a group
to stop being so serious or stressed
to listen attentively and sympathetically