He had been waiting for over an hour and was beginning to feel irritable.

他已经等了一个多小时，开始觉得有些烦躁了。

《柯林斯英汉双解大词典》

They feel irritable and depressed, often isolated and lonely.

他们感到烦躁和抑郁，经常感到孤立和孤独。

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You feel irritable, grumpy, or in a bad mood more often than not.

你通常感觉急躁、爱生气或者处在一种坏情绪中。

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And when a pregnancy begins on a traumatic note, stress could cause a woman to stay in a negative frame of mind for longer, making her feel harassed, irritable and moody and putting extra strain on her pregnancy.

BBC: Royal baby: The three-month secrecy rule

Patients suffer flashbacks, feel emotionally numb or become irritable or easily startled.

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