反特

反特	fǎn tè	to thwart enemy espionage; to engage in counterespionage
反	fǎn	contrary / in reverse / inside out or upside down / to reverse / to return / to oppose / opposite / against / anti- / to rebel / to use analogy / instead / abbr. for 反切 phonetic system
特	tè	special / unique / distinguished / especially / unusual / very / abbr. for 特克斯, tex