Be conversant with
熟悉…,精通…
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
with
[wɪð]
prep. 和，跟;随着;关于;和…一致;
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
His thinking is behind the times.
他的想法赶不上时代。
or of the habits of the social insects, let us say.
和昆虫群居的习性