我认为参加了这个项目，我变得更加坚强了。

I think I am much stronger for having taken part in the project.

youdao

这样的失败时刻塑造了我的性格——从那以后，我学会了面对失望，变得更加坚强。

Moments of failure like this build my character—since then I've learned to face disappointment and grown stronger.

youdao

经过那些年，他变得更加坚强。

He became stronger after all (of) those years.

youdao