Be sharp at
在…敏锐,精于…
🧩 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;
sharp
[ʃɑ:p]
adj. 敏锐的;锋利的;狡猾的，聪明的;尖锐的;
adv. 猛烈地;尖锐地;尖利地;偏高地;
n. 升半音;尖头;骗子;内行，专家;
vt. [音乐]把（音调）升高（半音）;
vi. [音乐]升音演奏（或演唱）;
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
We prepared some tuna fish
我们准备了鲔鱼
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
But it's true. I was the only person in my office who was invited. I've written to accept the invitation.
可这是真的。我们办公室只有我受到邀请。我已经写信表示接受邀请了。