暗中 | àn zhōng | in the dark / in secret / on the sly / surreptitiously | |
移花接木 | yí huā jiē mù | lit. to graft flowers onto a tree / to surreptitiously substitute one thing for another (idiom) | |
塞给 | sāi gěi | to slip sb sth / to press sb to accept sth / to insert surreptitiously / to foist sth off on sb | |
明人不做暗事 | míng rén bù zuò àn shì | an honest person does not act surreptitiously (idiom) | |
偷加 | tōu jiā | to surreptitiously add (sth that shouldn't be there) |