他因为马马虎虎驾驶而发生了事故。

He had an accident because of his careless driving.

你不能对待考试马马虎虎，否则会失败的。

You can't be careless about the exam, or you will fail.

他做事总是马马虎虎，所以经常出错。

He is always careless in his work, so he often makes mistakes.

她的作业总是马马虎虎，老师很不满意。

Her homework is always careless, and the teacher is very dissatisfied.

这个项目不能马马虎虎地完成，需要细心。

This project can't be done careless; it requires attention to detail.

粗心的女管家；马马虎虎的校对

A careless housekeeper; careless proofreading.

马龙：你总是马马虎虎。

Michael: You are always careless.

他老是磨磨蹭蹭，马马虎虎，可是脾气又是好得惊人，因而，我们对他毫无办法。

He is always slow and careless,but he has a very good temper.Therefore,we can do nothing about it.

没有人想把英语说得糟糕或马马虎虎。

No one wants to speak English badly or carelessly.

他老是磨磨蹭蹭、马马虎虎、脾气又好的惊人，我们都对他毫无办法。

With his tardiness, carelessness and appalling good humor, we were sore perplexed.