I have to struggle by myself.

我必须自己奋斗。

youdao

I have to struggle to remember everything that's available.

我不得不努力记住每件事情。

youdao

Though not the best student, but I have to struggle spirit and the most outstanding courage.

虽然不是最优秀的学生，但我有向最优秀拼搏的精神和勇气。

youdao

"It was a struggle," "I mean she just didn't have the financial means to care for us.

VOA: standard.2009.12.04

It is something I have to struggle with as a U.S. senator, and, you know, there are a couple of principles, I guess, that guide me.

NPR: Before Midterms, a Chat with Sen. Barack Obama

As an extrovert I have had to struggle with this.

FORBES: Introverts No Longer the Quiet Followers of Extroverts

Rep. WALZ: You know, I think those are - I think it could possibly be fair to do that, because I'm going to have to struggle with that, too.

NPR: Troop-Surge Opponents Mull Options