司机因未打信号灯突然转向而被罚款。

The driver was fined for swerving without signaling.

汤姆自己用打印机打信。

Tom types his own letters.

这位就是替我打信的女孩。

This is me: a sentimental woman.

帕梅拉为什么无法打信?。

Why can't Pamela type the letter?

我昨晚在打信。 （可能没有打完。）

I typed some letters last night.