形容词
中文翻译：松懈的
同义词：
['lax', 'lazy', 'untidy']
例句：
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1. The team's performance was slack in the second half of the game.
球队在比赛下半场的表现松懈。
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2. The manager was criticized for his slack approach to training.
经理因训练态度松懈而受到批评。
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3. The students were slack with their homework, which led to poor grades.
学生们对作业的态度懒散，导致成绩不佳。