Be secured of
对…有信心,认为…靠得住
🧩 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;
a. 有担保的
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I have tea with y colleagues in the afternoon.
下午我和同事喝茶。
The doctor says that I should take quinine.
医生说我应该服用奎宁。
So there were many people in the doctor's waiting room.
所以医生的候诊室里有很多人。