| 保护HSK 4 | bǎo hù | to protect; to defend; to safeguard; protection; Classifiers: 种 | |
| 保持HSK 5 | bǎo chí | to keep; to maintain; to hold; to preserve | |
| 保证HSK 4 | bǎo zhèng | guarantee; to guarantee; to ensure; to safeguard; to pledge; Classifiers: 个 | |
| 保障HSK 6 | bǎo zhàng | to ensure; to guarantee; to safeguard | |
| 保险HSK 5 | bǎo xiǎn | insurance; to insure; safe; secure; be sure; be bound to; Classifiers: 份 |
| 1 | How to protect the environment? | |
| 2 | She is still staying healthy. | |
| 3 | Please keep the floor clean. | |
| 4 | We should care about the environment. | |
| 5 | Please take good care of the samples |