累垮

knock up

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lei4 kua3

to collapse, to be worn out, to break down

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累垮

lèi kuǎ

run off one's legs (feet):

这个小通讯员迟早会累垮的。 The messenger boy will run off his legs sooner or later.

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累垮|累垮 [lèi kuǎ] ► to collapse ► to be worn out ► to break down