1
- used to express hesitation表示犹豫哦！：
'I was just, uh, passing by.'
“我只是, 哦！路过。”
2
- used in questions to invite agreement or further comment or to express a lack of understanding［问句中祈求同意或进一步评价或表示缺乏理解］啊！嘿！是吧, 对吧：
'You want to get there pretty bad, uh?'
“你很想去那儿, 对吧？”
词源
1960s: imitative.
- non-standard spelling of the indefinite article A1, used to represent black English〈非规范〉（黑人英语）表示不定冠词a。：
crabs in uh basket.
一只篮子里的螃蟹。
- non-standard spelling of OF, used to represent black English（黑人英语）表示of。：
a house full uh young 'uns.
一屋子年轻人。