I must make up the loss somehow.

我必须设法弥补损失。

youdao

Today before the sun sets I must make up for what I lost yesterday.

今天太阳下山以前，我必须把昨天没完成的活儿补上。

youdao

I must make up for the time I lost this morning. (I must compensate for …)

我必须把上午损失的时间补上。

youdao

Undecided voters, once again, I plead with you: if you can dress yourself in the morning, surely you must be able to make up your minds by now.

CNN: Jessi Klein: Blogging along with Bush and Kerry