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
If the owners don't claim the dog in forty-eight hours,
如果狗的主人在四十八小时内不认领，
I'm very glad to meet you.
认识你很高兴。
Sam Benton, the local butcher, had lost his wallet while taking his savings to the post office.
本顿在把存款送往邮局的途中把钱包丢了。