He flew off the handle at the slightest thing.

他为一点小事就突然大发雷霆。

《柯林斯英汉双解大词典》

Your boss seems to fly off the handle.

你老板似乎很生气。

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Her family is ungrateful and spiteful. When Maggie buys them a house, her mother flies off the handle, worried that her welfare scam will be ruined.

她有一个忘恩负义、怀恨于心的家庭。麦琪给家里买了一套房子，但她妈妈却因为担心自己的诈骗救济会败露而大发雷霆。

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And there is evidence that certain people are wired to fly off the handle more easily.

CNN: I see a bad mood rising

Talk about steps the person might take to avoid flying off the handle in the future.

WSJ: When Your Partner Overreacts to Stress

He flies off the handle at Bates unfairly.

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