I want to say goodbye, do not know how to say it.

我想说再见，却不知道怎么说出口。

youdao

Students who, when speaking English, have a lot that they would like to say but do not know how to say it.

说英语的时候，总感到有很多想说，但又不知道如何组织内容。

youdao

Students who have a lot to say but do not know how to say it and still have not got used to using English in everyday conversations.

课程旨在通过连贯的对话教学互动，帮助学员建立说英语的自信心。学员将能够扩充词汇、自如地运用新短语。

youdao

Let us say I want to sell my car but I do not know exactly how much it is worth.

VOA: special.2009.04.12

Within that group, 40% say they either don't have a computer or have one that's not up to the job, or say they don't know how to use it, or they think it's too expensive.

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Although the FDA may know the company's whereabouts, Boisselier would not say where her lab is based nor how close it is to cloning a human.

CNN: 'Raelian' biochemist insists she will clone human

Others say it shows that people should not be promoted from back office to trading because they know how to hide their trades as noted by Tom Steinert-Threlkeld, Editor of Securities Technology Monitor.

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