We wasted all day on a wild-goose chase.

我们徒劳无功的浪费了一整天。

It looks like this is nothing but a wild goose chase.

追野鹅？ 我们找路还来不及呢，哪还有时间去追野鹅？

She feels what Mr. Wang is doing is a wild-goose chase.

她觉得王先生所做的是徒劳之举。

The boss sent me on a wild goose chase that wasted half the day.

老板给了我一项成功无望的任务，浪费了我大半天的时间。

I went on a wild-goose chase all over the town looking for that adapter until I discovered they no longer make them.

我今天算是白跑一趟了。这个适配器，原来的厂家已经不生产了一刚。