tired out with too much exertion; 累乏
tired out; exhausted; worn out 累极了
knock out; 累得筋疲力尽
be tired out (to death); 累得要死
work oneself too much; 累过度了
You've been working hard all day. You need a rest. 你累了一天,该休息了。
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)