bǎo
chí
1
to keep
2
to maintain
3
to hold
4
to preserve
我最近在看一本关于如何保持愉快的书。
Recently I've been reading a book on how to stay happy.
你有什么保持年轻的方法?
What methods do you have for preserving your youth?
如果你想保持健康,就要每天做运动。
If you want to maintain your health, you need to exercise every day.