勿 wù — don't; never; do not; must not 勿 wù Level 1 · Common HSK 7-9 #152 wù wu4 Basic definition adverb don't; never; do not; must not e.g 请勿切勿勿忘我 Detailed explanation noun red-white flag adverb not don't verb not have Related words 切勿 qiè wù be sure not to; do not; on no account 请勿 qǐng wù please do not; kindly refrain 格杀勿论 gé shā wù lùn be killed on the spot without legal liability (for resisting arrest, attacking, 勿忘我 wù wàng wǒ forget-me-not (flower); don't forget me