1, toughened? [qiān Chuíb I Liàn] Tempering: point out that iron is used to make steel and remove impurities. (1) metaphor people have experienced many times the exercise and test of hard struggle. (2) metaphor after repeated thinking, revision, Excellence of poetry.

Source: Liu Jinkun's poem "Giving Lu Chen Again": "What meaning is refined, turned into a soft finger."

Meaning: I never thought that I was a tough guy and fell into a weak position.

2. A hammer [y and chuí d ń ng y and n] This means that the last hammer determines the tone of the gong when making it. The metaphor for someone plays a decisive role. Also known as "croquet".

Source: Liu Shaotang's "Xiaohe Cailou Jiao Jian": "He is silent, but he is the head of the family; My daughter likes it, my wife nods, and I have to listen to him. "

Combination 1, hammering: chuí dǎ m?

Meaning: Beat with a hammer. ?

2. Hammer test: chuí j ī shī yà n?

Meaning: the impact test falls from the heavy hammer with increasing height until the heavy hammer produces a specific deflection.

3. hammer gold: Chuíjρn?

Meaning: the act, skill or process of forging gold into thin foil.