?The English translation for 懊惱 is "annoyance" or "frustration". It can also be translated as "regret" or "remorse" depending on the context.

懊惱的意思是指因為某件事情而感到煩惱、不滿或遺憾。它可以用來描述一種消極的情緒，通常與失望、憤怒或焦慮有關。

懊惱的用法可以作為名詞或動詞。作為名詞時，它可以表示一種感情狀態(tài)，如"I am filled with 懊惱."（我充滿了懊惱。）作為動詞時，它可以表示某人因為某件事而感到懊惱，如"She was 懊惱ed by the news."（她被這個消息給懊惱了。）

以下是幾個例句來幫助理解懊惱的用法：

1. I can sense your 懊惱, but please try to stay calm.

（我能感覺到你的懊惱，但請試著保持冷靜。）

2. He was filled with 懊惱 when he realized he had missed his flight.

（當他意識到自己錯過了飛機時，他充滿了懊惱。）

3. Don't let your mistakes cause you too much 懊惱.

（不要讓你的錯誤給自己帶來太多懊惱。）

4. She 懊惱ed over her decision to quit her job.

（她為自己辭職的決定感到懊惱。）

5. He tried to hide his 懊惱, but I could tell he was upset.

（他試圖隱藏自己的懊惱，但我能感覺到他很不高興。）