1. Why don´t you call a cop?
    为什么不叫巡警？

2. "Now call a cop, I cannot pay.
    “叫警察去吧，我付不起钱。

3. "No cop for you," said the waiter, and seizing Soapy by the collar he threw him out of the restaurant.
    “用不着叫警察，”待者边说边抓住了苏比的领子，把他搡出了饭馆。