悩み

彼女は友人に悩みを打ち明けた。

She confided her worries to her friend.

何か悩みがあるなら、いつでも相談してね。

If something is troubling you, you can always come and talk to me.

思春期には誰でも人間関係の悩みを抱えるものだ。

Everyone has worries about relationships during adolescence.