我的用英文怎麼表達??

Those were the best years of my life.

那些年是我一生最幸福的時光。

It was a chance meeting that would change my life.

那次偶然的會面改變了我的`一生。

It was the best day of my life.

這是我一生中最美好的一天。

In essence, your situation isn't so different from mine.

從本質上講,你我的情況並非相差很遠。

The engine is used for pumping water out of the mine.

這臺發動機是用來從礦井中抽水的。