make off with something 顺手牵羊

“顺手牵羊”，汉语成语，字面意思是顺手把人家的羊牵走，比喻趁便随手拿人家的东西，偷窃。与英文习语“make off with something”意思相近，表示“to steal something”。

例句：

她顺手牵羊，拿走了那把新的尼龙伞。

She made off with the new nylon umbrella

他们安装了监控电视来对付那些顺手牵羊的人。

They installed a surveillance TV against those shoplifters.