他拔腿就跑，一下就抓住了那个男孩。
He started to run away and barged against a passer-by.
youdao
他深怕有人会从屋子里走出来瞧见他，心里明白，要是被人瞧见，他可能会拔腿就跑的。
He was afraid someone might come out of the house and see him, because he knew that if he was seen, he might find himself running away.
他抢了那老妇的银包，拔腿就跑。
He snatched the old lady's purse and ran.
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