to do
to discard
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→zuo4fei4 • zuòfèi
to become invalid
become invalid, becomes invalid, became invalid, becoming invalid, to be invalid, be invalid, invalid
這 張 票 已經 作廢 了。
This ticket has already become invalid.
如果 不 簽字, 文件 會 作廢。
If you don't sign, the document will become invalid.
我 的 簽證 已經 作廢 了。
My visa has become invalid.