保 (bǎo)

Origin:

甲骨文的“保”字是一个大人手里抱着襁褓里的婴儿的形状。本义是“养育”、“抚养”，引申为“保护”、“保佑”等意思。
On oracle bone inscriptions, “保” looks like an adult holding a baby. Its original meaning is to raise, which then extended to protecting and blessing.

Meaning:

defend; protect; keep; preserve

Words:

保持(bǎochí): to maintain

保存(bǎocún): to conserve; keep; preserve

保护(bǎohù): to protect; safeguard

保健(bǎojiàn): healthcare; health protection

保留(bǎoliú): to continue to have; retain

Sentences:

1、Wǒ zǒu le, shuí lái bǎohù nǐ ne?
我走了，谁来保护你呢？
Who will protect you if I leave?

2、Wǒmen měitiān dōu yīnggāi bǎochí hǎo de xīnqíng.
我们每天都应该保持好的心情。
We should stay in a good mood every day.

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