投入；作出贡献

pitched on───选中；决定

pitches in───投入；作出贡献

pitched into───vt.投入；开始努力工作；猛烈进攻；大吃大嚼

pitch in───投入；作出贡献

pitches on───选中；决定

punched in───上班打卡

pitched upon───猛烈抨击

pitches into───vt.投入；开始努力工作；猛烈进攻；大吃大嚼

pitched for───争取

Everyone pitched in with the work.───每个人都投入了这项工作。

He kept his voice low-pitched in case someone was listening.───他压低声音，免得旁人听见。

We all pitched in $10 to buy her a gift.───我们每人出10元钱给她买礼物。

Eyes closed imagined that the wind mixed with gardenia fragrance, and pitched in a bad mood ran to the winds.───闭上眼想象着那风中夹杂着栀子花的香味，顷刻间坏心情跑到了九霄云外。

Fitzgerald's parents pitched in to help with the baby and to shuttle her to various appointments.───菲茨杰拉德的父母也过来帮助照顾小孩，这样她就可以有时间去进行各种各样的门诊预约。

Day. All the volunteers pitched in and planted thousands of willow trees.───那天是植树节。所有的志愿者都积极投入工作，种了数千棵柳树。

And the children of Israel removed from Rameses, and pitched in Succoth.───以色列人从兰塞起行，安营在疏割。

The secretary of state, Hillary Clinton, pitched in, and their formal statements offered some cause for hope.───美国国务卿希拉里•克林顿业已插手此事，双方做出的正式声明显示出了一线希望。

Charlie Hill pitched in to help with the worst volunteer work of all-searching for bodies.───查理·希尔参加了最艰巨的志愿工作--搜寻尸体。

Everyone pitched in with efforts to entertain the children.

They pitched in with contributions of money.

Local companies pitched in with building materials and labour.

They all pitched in and the money was collected within a few days.

He was pitched in.

They all pitched in and soon finished the job.

My brother pitched in with an offer of transport.

Everyone pitched in with the work.

The entire company pitched in to help.