請勿打擾 (ceng2 mat6 daa2 jiu5) — please do not disturb in Cantonese
cengˊ²請matˍ₆勿daaˊ²打jiuˏ₅擾简 请勿打扰
Mandarin Pinyin: qing3 wu4 da3 rao3
Meaning of 請勿打擾
nounplease do not disturb
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