形容词
中文翻译：弱的
同义词：
['frail', 'feeble', 'weak']
例句：
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1. The old man was so weak that he could hardly walk.
老人太虚弱了，几乎走不动路。
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2. The team's performance was weak in the crucial game.
在关键的比赛中，球队的表现很弱。
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3. She felt weak from lack of sleep and exercised to regain her strength.
由于缺乏睡眠和锻炼，她感到身体虚弱，开始锻炼以恢复力量。