① Pitch [pɪtʃ]
音准

She 's got perfect pitch.
她有完美的音准。

五音不全 off pitch

② Sales pitch
推销，劝说

A sales pitch is a planned presentation to convince an audience to buy a product or service.
“sales pitch”是一个事先计划好的劝说听众去买一个产品或服务的演讲。

An effective sales pitch isn't a monologue.
一个有效的销售演讲不能是一个独白。

③ Fever pitch
狂热状态

The goal roused the crowd to fever pitch.
这个进球让观众们达到了狂热的状态。

The excitement was already at a fever pitch by the time the singer walked onto the stage.
当歌手登上舞台的时候，观众们的情绪已经达到了狂热的状态。

④ Pitch in
帮忙

Hey, why don't you pitch in and help me get this TV setup faster.
嘿，你帮帮我呗，咱一起把这个电视更快的架好。

If we all pitch in we'll have it finish in no time.
如果我们都帮忙的话，这个东西很快就会做完。

⑤ Pitch in
凑钱

We all pitched in and bought her a very expensive gift.
我们大家出钱给她买了一个特别贵的礼物。

⑥ Pitch at
目标人群设定

The ad was pitched at 30-year-old single mothers.
这个广告的目标人群设定是三十岁的单亲妈妈。

a five-year-old girl
一个五岁的女孩。