Definition
An expression used to encourage someone to persevere and not give up, even when facing difficulties.
加油，加油！
I know you're feeling discouraged right now, but please hang in there, things will get better.
我知道你现在感到沮丧，但请坚持下去，情况会好转的。
This training is tough, but if you hang in there, you'll see the results.
这个训练很艰难，但如果你坚持下去，你会看到成果的。
I know this project is time-consuming, but hang in there, and we will finish it.
我知道这个项目很耗时，但坚持下去，我们会完成它的。