动词从事间谍活动; 看见，发现( spy的现在分词 ); 当间谍; 搜集情报

1. 打探消息：talking to the men,|和我们的人聊天 | spying.|打探消息 | Hey, you!|嘿,叫你呢!

2. 嬉游记：078 FAMILY 人家 | 081 SPYING 嬉游记 | 106 DUMB SHOW 默剧B

3. 从事间谍活动：a minefield 地雷阵 | spying 从事间谍活动 | perception 洞察;看法

noun

1. the act of detecting something
catching sight of something

Synonym: detectioncatchingespialspotting

2. the act of keeping a secret watch for intelligence purposes

Synonym: undercover work

3. keeping a secret or furtive watch