shush

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++shush /ʃʊʃ/ verb  n1. → shush!2  [transitive]QUIET to tell someone to be very quiet, especially by putting your fingers against your lips or by saying ‘shush’ 使安静，使肃静〔尤指以手指抵住双唇或发“嘘”声表示〕 He started to cry and Francesca shushed him. 他哭了起来，弗朗西丝卡“嘘”了一声要他安静。→ See Verb table

Examples from the Corpus

shush• He stood up and shushed the class.nshush!spokenQUIET used to tell someone, especially a child, to be quiet 嘘！〔尤用于叫小孩安静〕 SYN shh ‘Shush!’ said Jerry. ‘Not so loud.’ “嘘！”杰里说，“别这么大声。”Origin shush (1900-2000) shh

shush verbshush!LDOCE OnlineChinese  

to tell Corpus be to quiet, very someone

shush
shush /ʃʊʃ/ verb1. shush! spoken used to tell someone, especially a child, to be quiet
   SYN  shh:
    ‘Shush!’ said Jerry. ‘Not so loud.’
2. [transitive] to tell someone to be very quiet, especially by putting your fingers against your lips or by saying ‘shush’:
    He started to cry and Francesca shushed him.