stealthily; secretly; covertly; furtively; on the sly

to peep; to peek; to steal a glance

to steal; to pilfer

to eavesdrop; to monitor (secretly)

to mount a sneak attack; to raid

(idiom) surreptitious; sneaky

to peep; to peek; to act as voyeur

to goof off; to be lazy

to carry on a clandestine love affair

illegal immigration; to stowaway (on a ship); to steal across the international border; to run a blockade

to eat on the sly; to pilfer food; to be unfaithful

to photograph or film sb without their knowledge or consent

to steal

(of a married woman) to cheat on her husband; to have an affair

to smuggle

to laugh up one's sleeve

voyeur; peeping tom

to steal

poacher

to sneak off; to slip away; (sports) to jump the gun; to make a false start; (fig.) to jump the gun; to start doing sth before it's allowed; (of a movie, game etc) to be leaked before the official release

to surreptitiously add (sth that shouldn't be there)

to steal; to make off with; stolen

thief

to shirk responsibility; thoughtless pleasure-seeking

to skimp on the job; to avoid work

to steal techniques; to learn secretly from sb else's skills or methods

to skive off work; to be lazy

to substitute on the sly

to dump illegally

surreptitious; sneaky

see 偷漢子|偷汉子[tou1 han4 zi5]

to evade (taxes)

to poach

to live without purpose

to take a furtive look at

tax evasion

to take some time out; to make use of a spare moment

to cheat on one's spouse; to have an affair

to snatch a moment of leisure; to take a break from work; also written 偷閒|偷闲[tou1 xian2]

(of a married woman) to cheat on her husband; to have an affair

(dialect) cockroach

smuggled illegal alien; stowaway

to engage in fraudulent activities (idiom); skulduggery; to hoodwink people; to cheat sb audaciously

to skimp on the job and stint on materials (idiom); jerry-building; sloppy work

lit. to steal a rafter and replace it with a column; to replace the original with a fake; to perpetrate a fraud (idiom)

lit. stolen scent, pilfered jade (idiom); philandering; secret illicit sex

to imitate the dog and steal chicken (idiom); to pilfer; to dally with women; to have affairs

lit. to try to steal a chicken only to end up losing the rice used to lure it (idiom); fig. to try to gain an advantage only to end up worse off; to go for wool and come back shorn

see 偷雞不成蝕把米|偷鸡不成蚀把米[tou1 ji1 bu4 cheng2 shi2 ba3 mi3]