beset with difficulties both at home and abroad; 内外交困
be afflicted with illness 为病所困
bottle up the enemy in his stronghold 把敌人困死在据点里
tired; fatigued 困乏
Go to bed if you feel sleepy. 你困了就睡吧。
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)