pitch in
phrasal verbpitch in (with somebody/something)
- (informal) to join in and help with an activity, by doing some of the work or by giving money, advice, etc.
投入；参与；支援 - Everyone pitched in with the work.
每个人都投入了这项工作。 - Local companies pitched in with building materials and labour.
当地的公司支援了建筑材料和劳动力。
- Everyone pitched in with the work.
pitch something in
- to give a particular amount of money in order to help with something
参与；出力；出份子 - We all pitched in $10 to buy her a gift.
我们每人出 10 美元，凑钱给她买礼物。
- We all pitched in $10 to buy her a gift.