I was about to go get the letter.

我正想去拿信。

I was about to go up to my office when I decided to get a coffee first.

我正要上办公室时，决定先去喝杯咖啡。

He was about to go out when the bell rang.

他正要出门，这时门铃响了。

When you called yesterday, I was about to go shopping.

你昨天打电话来时，我正要去买东西。

He got up and was about to go away. I stopped him.

他站起来准备走，我把他拦住了。

It was when she was about to go to bed that her mother came back.

正是在她准备睡觉时，母亲回来了。（强调时间状语从句）

I was about to go swimming when the guide stopped me.

我正要下水去游泳，突然导游阻止了我。

Be about, be apt He met her in the doorway just as she was about to go away.

她正要离开，他在门口碰到她。

I heard someone open the door when I was about to go to bed.

我正要上床睡觉的时候，听到有人开门。

He was about to go back upstairs when Uncle Vernon actually spoke.

他正要上楼回房，弗农姨父真说话了。