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 make me feel so proud to be part of our family.
你让我以成为我们家庭的一员而自豪。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
Many people will sleep and eat on the marae during these three days and share their memories of the dead person.
许多人还会在这3天期间吃住在集会地，以共同悼念亡人。