Sleuthing
n. （非警方人员所做的）调查, 侦察
🗣️ 情景例句
Maybe some of us would like to pay a little bit more
也许我们之中有一些人愿意多付一点钱
I know the boy whose father is a professor.
我知道那个男孩的父亲是大学教授。
We must call the doctor.
我们得去请医生。