1. Being smart can lead to mistakes.

2. If a craftsman wants to do his job well, he must first sharpen his tools; if a craftsman wants to do a good job, he must first make his tools excellent, as stated in "The Analects of Confucius·Wei Linggong". ?

3. If I don’t tire of teaching others, what does that mean to me?

4. The mechanism was too clever and cost you your life

1.

Idiom: trivial skill

Pronunciation: diāo chóng xiǎo jì

Definition: trivial skill: idiom. In ancient times, "diaolong" meant writing articles, and "diaochong" meant writing calligraphy. A trivial skill is a metaphor for a trivial, trivial three-legged cat skill.

2.

Idiom: Cleverness is mistaken for cleverness (cōng míng fǎn bèi cōng míng wù)

Explanation: Clever: smart, wise. Thinking you are smart but being delayed or harmed by your cleverness

Source: "Xi'er" by Su Shi of the Song Dynasty: "Everyone raises his son in the hope of being smart, but I have been deceived by being smart all my life."