to improve or advance to a higher level
向上するまたはより高いレベルに進む (kōjō suru matawa yori takai reberu ni susumu)
"With his hard work, he has been able to level up in his career."
"彼の努力のおかげで、彼はキャリアでレベルアップすることができました。" (Kare no doryoku no okage de, kare wa kyaria de **reberu appu** suru koto ga dekimashita.)
to have confidence in someone or something
without proper planning, failure is inevitable
the most important fact or result
to relax and enjoy oneself freely
to send someone a short message or note
to provide full and exact details about something