when the cat is away the mice will play
猫儿不在，老鼠成精
以上为机器翻译结果，长、整句建议使用 人工翻译 。
I'd say that is proof that when the cat is away the mice will play.
我想说这就证明一句：当猫离开的时候，老鼠就要开始游戏了。
youdao
When the cat is away, the mice will play.
猫儿不在，老鼠翻天。
When the cat's away, the mice will play means people sometimes misbehave when there is no supervision.
VOA: special.2009.09.27
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