胸膛

tā ào qì shí zú de tǐng qǐ xiōng táng

他傲气十足地挺起胸膛。

He puffed out his chest with pride.

tā yòng xiōng táng dǎng zhù le dí rén de jī qiāng

他用胸膛挡住了敌人的机枪。

He blocked the enemy's machine gun with his chest.

xiǎo nán hái pāi xiōng táng shuō wǒ yī dìng huì fù zé de

小男孩拍胸膛说：我一定会负责的。

The little boy patted his chest and said: I will be responsible.