顺手牵羊 (順手牽羊) shùn shǒu qiān yáng

shùn shǒu qiān yáng set phrase to lead away a goat in passing; to steal something under cover of an emergency
Domain: Idiom 成语
Notes: (CC-CEDICT '順手牽羊'; Guoyu '順手牽羊')