卜(bǔ)
Origin:

古人用火在龟甲上烧出裂纹,用以预测吉凶,叫做“卜”,引申为“猜测”、“估计”。
People in ancient times practiced divination according to the cracks on burnt tortoise shells. This was called “卜.” The character’s meaning extended to mean “to speculate” and “to estimate.”

Meaning:
to predict, divination

Words:

卜卦(bǔguà): divination
占卜(zhānbǔ): to practice divination
吉卜(jíbǔ): good divination
卜度(bǔdù): to assume
卜骨(bǔgǔ): animal bones used to practice divination 

Sentences:

1、Yǒude rén bùguǎn zuò shénme dōu xǐhuan shìxiān zhānbǔ.
有的人不管做什么都喜欢事先占卜。
Some people prefer to practice divination before doing anything.

2、Gǔrén yòng bǔgǔ lái zhānbǔ.
古人用卜骨来占卜。
People in ancient times used animal bones to practice divination.

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