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无效

wú xiàoㄨˊ ㄒㄧㄠˋ

Sino-Vietnamese: VÔ HIỆU

Traditional: 無效

HSK 3.0 · 5

Meaning(verb, verbal noun)

not valid; ineffective; in vain

Opposite: 有效 (valid).

Examples

  • 这张票已经无效了。

    zhè zhāng piào yǐ jīng wú xiào le.

    This ticket is no longer valid.

  • 没有签字的合同是无效的。

    méi yǒu qiān zì de hé tong shì wú xiào de.

    A contract without a signature is invalid.

  • 医生说这种药对他无效。

    yī shēng shuō zhè zhǒng yào duì tā wú xiào.

    The doctor said this medicine doesn't work for him.

Written with AI, waiting for a teacher's review.

Stroke order

VÔ · 4 strokes

not to have; no; none; not; to lack; un-; -less

HIỆU · 10 strokes

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