常理

àn cháng lǐ tā míng tiān yīng gāi huí fǎng lǐ xiān sheng

按常理他明天应该回访李先生。

According to convention, he ought to pay Mr. Li a return visit tomorrow.

àn cháng lǐ jiǎng zhè shì bù xíng de

按常理讲，这是不行的。

According to convention, this is not allowed.

àn cháng lǐ wǒ yīng gāi qù kàn wàng tā

按常理我应该去看望她。

I should pay her a visit by social convention.

tā sù zhū cháng lǐ de zuò fǎ zuì zhōng yíng dé le zhī chí

他诉诸常理的做法最终赢得了支持。

Her appeal to common sense was what finally carried the day.

wǒ men xū yào fù chá nà xiē míng xiǎn bù fú hé cháng lǐ de gè àn

我们需要复查那些明显不符合常理的个案。

We need to look again at any apparently anomalous cases.