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
Mike likes to write by the nice bright light at night.
迈克喜欢晚上在柔和明亮的灯光下写作。
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
Yes, please.
好的，请来一块。