neck down的意思是“（使）变窄，（使）缩小”，其音标为[niːk dʌŋ]。

neck down的意思是“（使）缩小，（使）减少”，其释义为to become narrower or less in size, amount, or degree。在英语中，我们可以用它来表示使数量、规模或程度减少。

其用法可以是在句子中作谓语，例如：Production has to be cut back because of the bad weather.（由于天气不好，生产不得不缩小规模。）

双语翻译为中文可以是：

缩小规模：The company has to scale down its production because of the economic crisis.

常见用法包括：

1. 缩小范围：If you want to find out who is responsible for a particular task, you can narrow down the search to those who are qualified for it.

2. 缩小差距：If you want to reduce the gap between you and your competitors, you can try to improve your skills and knowledge.

总之，在英语中，我们可以用neck down来表示使数量、规模或程度减少，以应对各种情况。

neck down的意思是“（使）变窄；（使）缩小”，可以作为动词短语或名词短语使用。在用法上，它可以作主语、宾语和表语。

以下是neck down的一些常见短语：

1. neck down on sth：在某事上变得窄或小

例句：The road necked down at the last moment.（这条路在最后一刻变窄了。）

2. neck down to sth：缩小到某程度或范围

例句：The company's profits necked down to nothing.（公司的利润缩小到了无。）

3. neck down with sb/sth：与某人/某事关系密切

例句：He is neck down with the police for suspected drug dealing.（他因涉嫌贩毒与警方关系密切。）

4. neck and neck：并驾齐驱，不分上下

例句：The two candidates are neck and neck in the polls.（在民意调查中，两位候选人难分高下。）

5. narrow one's neck：缩脖子，低头

例句：She narrowed her neck and looked at him with suspicion.（她缩着脖子，带着怀疑的眼神看着他。）

6. bring/reduce the neck：缩小范围，减少数量

例句：The company has brought the neck of its product range.（公司已经缩小了其产品范围。）

7. narrow one's neck down：缩小范围，减少数量

例句：She narrowed her neck down to a single goal.（她把目标缩小到唯一一个。）

8. narrow one's neck to sth：缩小到某程度或范围

例句：She narrowed her neck to her studies.（她把精力集中在学习上。）

9. keep one's neck out of the water：保持冷静，不慌张

例句：When faced with a difficult situation, keep your neck out of the water and think clearly.（面对困难时，要保持冷静，不要慌张，要冷静思考。）

10. keep one's head above water：勉强应付，不沉沦于困境中

例句：She was struggling to keep her head above water with her studies.（她正在为学业而苦苦挣扎。）

希望以上内容对您有所帮助！