他用铁锤敲打钉子。

Tā yòng tiě chuí qiāo dǎ dīngzi.

He uses a hammer to nail in the nails.

木匠手里握着一把大锤。

Mùjiàng shǒu lǐ wòzhe yī bǎ dà chuí.

The carpenter is holding a big hammer in his hand.

锤子是一种常见的工具。

Chuízi shì yī zhǒng chángjiàn de gōngjù.

The hammer is a common tool.