勿

• ピンイン: wù
• 漢字の分解: 勿 = a standalone character depicting crossed strokes — historically associated with negation and prohibition in Classical Chinese

意味

（書き言葉で）～するな／～してはならない。

Equivalent to 不要 in formal registers. Widely used in written notices, official instructions, legal texts, and classical idioms. Rarely used in everyday spoken Chinese.

例文

1. 请勿在图书馆内大声喧哗，以免影响他人阅读。
2. 合同明确规定，双方在协议期内勿以任何形式泄露对方的商业机密。
3. 病房走廊张贴着请勿吸烟的警示标牌，提醒所有来访者严格遵守规定。

使い方ガイド

場面: public notices, official documents, legal texts, signage, classical idioms

トーン: authoritative

正しい言い方

• 该政府公告明确指出，任何单位和个人在施工期间勿擅自进入封闭区域，违者将依法追究相关法律责任，情节严重者可移交司法机关处理。(The government notice clearly states that no unit or individual may enter the closed area without authorisation during the construction period — violators will be held legally accountable, and those with serious offences may be referred to judicial authorities.)
• 协议签署前，各方代表勿向媒体或第三方透露谈判内容，以免影响进程。(Before the agreement is signed, representatives must not reveal the negotiation details to the media or any third party, so the process is not affected.)

避ける言い方

• 勿 in casual spoken conversation — use 不要 or 别; 勿 is a formal written adverb and sounds unnaturally stiff in everyday speech

起源と歴史

勿 is an ancient Chinese character serving as a negative imperative adverb; its use dates to Classical Chinese and remains standard in formal prohibitions

文化的背景

世代: All ages

社会的背景: Universal