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.)
to overcome or stop focusing on something
a short and intensive course of study
to be very frightened
The most valuable things take time and effort to achieve.
someone who is honest and morally upright
to support opposing parties to gain advantage