acquaint/ ə'kweɪnt /

1.vt.[frm] 
to acquaint sb with sth (inform) 把某事通知某人

to acquaint o.s. with sth
开始知道某事
to be acquainted with sb/sth
 [+person] 认识某人
2.vt.[frm] [+fact] 
了解某事

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