Be known to
辅助 Assistant为...所知
🧩 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;
known
[nəun]
adj. 大家知道的;已知的;知名的;向某人作自我介绍;
v. 知道( know的过去分词 );看到过;听到过;经历过;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
He was left in charge of the shop while the manager was away.
经理不在时他负责这个商店。
What is he doing today?
今天他在做些什么？
this little 'o' indicated that the train only stopped for mail.
这个标记表示列车是为装邮件而停车。