无效

wú xiào · wu xiao

Traditional 無效

Meaning

CC-CEDICT
  1. not valid
  2. ineffective
  3. in vain

In a sentence

2 examples
01

这(zhè)张(zhāng)过(guò)期(qī)的(de)车(chē)票(piào)已(yǐ)经(jīng)无(wú)效(xiào)了(le)。

This expired ticket is no longer valid.

02

他(tā)试(shì)了(le)好(hǎo)几(jǐ)次(cì),但(dàn)都(dōu)无(wú)效(xiào)。

He tried several times, but it was all in vain.

Sources & licenses

How to write

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Mainland China stroke order, including traditional characters. Drawing sources & licenses.

Definitions adapted from CC-CEDICT, published by MDBG and its contributors, under CC BY-SA 4.0. Pinyin display and entry grouping have been adapted.

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