Since when? We lost sense of security, trust. The fact that we fear to lose each other, But we endeavor to prove, I can to do without you.

几时开始，我们对彼此没有了安全感，信任感，我们明明害怕失去，却拼命的去证明，没有你我一样行。

youdao

I know that you have lost your purse, but since it had happened, let it go, please don't cry over spilled milk.

我知道你丢了钱夹，不过既然这件事已经发生了，就让它去，不要做无益的后悔。

youdao

I hated myself for refusing her...... I became another person since I've been around with you. I've lost my real self.

那天我很失望，我觉得我已经跟你混在一起，变成一个人，没有了自己。

youdao

And so since that time I know a lot of you have probably comforted loved ones of those who were lost.

WHITEHOUSE: President Obama Meets with Police Officers in New York

Do you realise that since nineteen eight-five, I believe it is, we have lost in this city nearly ten thousand people.

BBC