Be proficient at
精通于
🧩 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;
at
[æt]
prep. （表示位置）在;在（某时间或时刻）;以，达; 向，朝;
n. 阿特（老挝辅币单位，100 阿特 = 1 基普）;
🗣️ 情景例句
You two belong on stage! That was wonderful!
你们俩简直是职业演员！ 读得太棒了！
This material feel soft, How does that material feel?
这种布料感觉起来很软，那块料子如何呢？
The public bet a great deal of money on Mendoza, but he was defeated.
公众把大笔赌注下到了门多萨身上，但他却输了。