他哼了一声,表示不满。
tā hēng le yīshēng , biǎoshì bùmǎn 。
He groaned to express his dissatisfaction.
她哼着歌走进了房间。
tā hēng zháo gē zǒujìn le fángjiān 。
She hummed a song as she walked into the room.
听到他的哼声,我知道他不喜欢这个提议。
tīngdào tāde hēngshēng , wǒzhīdào tābù xǐhuān zhègè tíyì 。
Hearing his snort, I knew he didn't like the proposal.