to admit or confess responsibility for something
何かの責任を認める、または告白する (Nanika no sekinin o mitomeru, matawa kokuhaku suru)
"You should own up to your mistakes instead of blaming others."
"あなたは自分の間違いを認めるべきで、他の人を非難するべきではありません。" (Anata wa **jibun no machigai o mitomeru beki** de, hoka no hito o hinan suru beki de wa arimasen.)
to feel comfortable and relaxed as if you were at home
Working together gives better results.
to talk about something that has been worrying you
performing very well; full of energy and success
to fulfill what is expected of you
to take control or responsibility for something