Collins Chinese Dictionary Plus (3rd edition), 2011:
spy [spaɪ]
I n
[c]
间(間)谍(諜) jiàndié [个 gè]
II vi
1
▶ to spy on (=watch) 暗中监(監)视(視) ànzhōng jiānshì
2
(=get information about) 刺探 cìtàn
III vt
(liter: notice) 发(發)现(現) fāxiàn
IV cpd
复合词
1
[+ film, story] 间(間)谍(諜) jiàndié
2
[+ satellite, plane] 侦(偵)探 zhēntàn
- to spy for
为(為)…充当(當)间(間)谍(諜) wèi…chōngdāng jiàndié