我也遇到过很多困难，但是我没有气馁，没有自暴自弃，没有泄气。

I've met much difficulties, but I don't abandon myself to despair.

youdao

教她辨认颜色使我很累，但是她还没有十分的明白，我并没有气馁，因为那一天一定会到来的。

I tried teaching her colors but she is not understanding that quite yet. I am not discouraged that will come with time.

youdao