inarticulate sound, attested from c. 1600; uh-huh, spoken affirmative (often ironic or non-committal) is recorded from 1904; negative uh-uh is attested from 1924.
例句
1. "Oh that one." — "Uh huh." “哦,那一个。”——“噢。”
2. "Did she?" — "Uh huh." “她做了?”——“嗯。”
3. Uh, yeah, I guess so. 嗯,对,我想是这样。
4. Uh-oh. I forgot to write that letter. 哦唷,我忘了写那封信了。