pitch in (phr.) 協力，做出貢獻

vt. (及物動詞 transitive verb)
1. 搭(帳篷);紮(營)
The boys pitched a tent by the river.
男孩子們在河邊搭起了帳蓬。

2. 把...定得,把...定在[O]
The prices of these cars are pitched extremely competitively.
這些汽車的售價定得極有競爭性。

3. 【音】為...定音高;為...定調[O]
The song is pitched too high for my voice.
這首歌的起音太高了,我唱不上去。

4. 帶著特定感情說(或寫)[O]
He pitched his story in a sentimental strain.
他把故事寫得帶有傷感情調。

5. 投,擲,扔
She pitched the ball as far as she could.
她盡力把球投得遠一些。

6. 使向前(或向下)跌倒,使向外摔出[O]
The carriage overturned and the passengers were pitched out.
車子翻了,乘客們被摔了出來。

7. 【美】【俚】竭力推銷
The salesman stood at the door, pitching his products.
推銷員站在門口,極力推銷他的產品。

8. 【主英】【俚】講述

vi. (不及物動詞 intransitive verb)
1. 搭帳篷;安營
They pitched up for the night.
他們紮營過夜。

2. 投擲
He nearly always pitches too far.
他幾乎總是投得過遠。

3. 向前跌;猛然摔倒;向外摔出[Q]
The fisherman lost his balance and pitched into the sea.
漁夫失去了平衡,一頭栽進海裡。

4. (地面,道路等)傾斜[Q]
The roof of the house pitched at a 45°angle.
屋頂傾斜四十五度。

5. (船隻等)前後顛簸,搖晃
Our ship pitched about in the storm.
我們的船在暴風雨中顛簸。

n. (名詞 noun)
1. 投;投球[C]
2.【語】【音】音高[C]
Her voice dropped to a lower pitch.
她的聲調低了下來。

3. 程度;高度;強度[U][S1][(+of)]
The children were in a high pitch of excitement.
孩子們高度興奮。

4. (船等)前後顛簸[U][the S]
5. (屋頂等的)傾斜度,坡度[U][the S]
The roof has a steep pitch.
屋頂很陡。

6. 【口】叫賣,推銷[C]
7. 【美】【俚】情況,現狀[the S]

n. (名詞 noun)[U]
1. 瀝青
The room was as dark as pitch.
房間裡漆黑一團。

2. 樹脂,松脂

vt. (及物動詞 transitive verb)
1. 用瀝青塗