Throw doubt upon
产生怀疑
🧩 词语组成解析
throw
[θro]
vi. 投掷;丢;抛;
n. 投掷的距离;丢;
vt. 掷（色子）;抛;猛动（头、臂、腿）;使处于，使限于;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
I'm only here two days,
我只有两天时间，
Who is going take your place?
谁代替你的位置？
It is always the same on these occasions.
每逢这种场合，情况都是这样。