the quality in speech of not being smooth and continuous, for example by containing pauses or repeated words or sounds

These extracts show how common disfluency and unfinished sentences are in the speech of both sexes. 这些节选显示在男性和女性话语中语言不流畅和句子不完整有多么常见。

Most speech pathologists agree that some disfluency is quite normal in children around 2 to 3 years old. 大部分语言病理学家一致认为两三岁的孩子语言有些不流畅是挺正常的。

something such as a pause or repeated word or sound that means someone's speech is not smooth and continuous

Disfluencies such as "um", repetitions, and false starts can cause problems in speech recognition software. 比如“嗯啊”这样的语塞停顿、重复和开错头（都）可能会导致语音识别软件识别报错。