注意して聞きなさい

listen carefully

→ 注意
phrase Rare #26,691
listen carefully A firm command telling someone to pay close attention while listening. 聞きなさい is a directive form that can sound authoritative, especially when used by a teacher, parent, or other superior.
JA: 先生の説明を注意して聞きなさい。
EN: Listen carefully to the teacher's explanation.

あなたの本を閉じて私の話を注意して聞きなさい

Close your book and listen carefully to what I have to say.

彼の言うことを注意して聞きなさい

Listen carefully to what he says.

私の言う事を注意して聞きなさい

Listen carefully to what I’m saying.