形容词
中文翻译：Unknown
同义词：
['sulky', 'grouchy', 'peevish']
例句：
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1. She's always grumpy when she wakes up in the morning.
她每天早上醒来总是心情不好。
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2. The children were grumpy because they didn't get enough sleep.
孩子们因为没有得到足够的睡眠而不高兴。
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3. He was grumpy about missing out on the promotion.
他因为错过晋升机会而不高兴。