spy onsb/sth
—phrasal verbwithspyverbuk/spaɪ/us/spaɪ/
C2
towatchsomeone or something secretly, often inordertodiscoverinformationabout him, her, or it
暗中监视；窥探
He wasspyingon her through thekeyhole.他从锁孔里窥探着她。
| 单词 | spy on sb/sth |
| 释义 |
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