spy on someone/something怎么读，是什么意思，单词翻译、读音

英语单词:spy on someone/something

意思翻译

spy on someone/something

phrasal verb with spy verb uk/spaɪ/ us/spaɪ/

C2 暗中监视;窥探

to watch someone or something secretly, often in order to discover information about him, her, or it