work[wə:k]，walk[wɔ:k]，[ə:]和[ɔ:]是不同的音。

Where do you work?

你在哪兒工作？

She started work last Monday.

她上個星期一開始工作。

Police work is mainly routine.

警察的工作主要都是按常規的。

They work terrifically fast.

他們工作極快。

Hard work never hurt anyone.

努力工作絕無害處。
I recognized him by his walk.

我根據他走路的樣子認出了他。

I walk to work most mornings.

我大多數早晨步行去上班。

I'm not sure I can walk so far.

我沒有把握能步行這麼遠。