Spy upon sb
暗中监视某人, 侦查某人
🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
[计] 栈底, 标准二进制, 减, 备用设备\\n[医] 锑(51号元素)
🗣️ 情景例句
Yes, there is.
有，有心事
I think you'll make it if we don't get stuck in a traffic jam.
我想，如果我们不碰上交通阻塞，你是可以赶到的。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。