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
I'm the vice-president of new toy development.
我是负责新玩具开发的副总裁。
His eyes will pop out in astonishment.
他因为害怕而瞪大了眼睛。
Were you at butcher's, too?
您也在肉店里吗？