发嘘声 fāxūshēng to hiss Definitions Defs Origin Strokes Stroke Words Sentences Sents 发 發 fā verb to send out To send out; to issue; to distribute; to deliver (as in mail, letters, or faxes).嘘声 噓聲 xūshēng noun hissing the sound of hissing, hooting, or catcalls, often used to express disapproval or to silence someone