unnoticed or undetected
気づかれず、検出されない (kizukarezu, kenshutsusarena)
"He stayed under the radar during the investigation."
"彼は調査中、目立たずにいました。" (Kare wa chousa chuu, medatazu ni imashita.)
someone who is very careful about spending money
to collaborate with someone for a common goal
To do something dangerous or risky.
to be eager or impatient to do something
to stop being involved in or responsible for something
make the best out of a bad situation