Correct
偷换
/ tōuhuàn /
Strokes
Definition
to substitute on the sly
Example
As a Verb
substitute/replace one thing for another surreptitiously
1
Tōuhuàn
偷换
gàiniàn
概念
replace/substitute a concept stealthily; disguised replacement of a concept; quibble; sophistry; confuse the issues; shift the argument