美 [pɪtʃ ɪn]
共同努力：为共同的事业做出贡献。
开始工作：开始工作。
pitch in // [ pitching pitched pitches ]
动词词组 If you pitch in, you join in and help with an activity. 参与并帮助
The agency says international relief agencies also have pitched in.
该机构说，一些国际救援机构也参与其中并提供了帮助。
eat heartily
同义词： dig in
... Break Even 收支打平 Pitch In 出一份力 Twist Someone's Arm to Do Something 强迫某人做某事 ...
... [donation] 赠送;捐献 [pitch in] 用财物帮助;资助 [contribute money] 捐助钱财 ...
... [donation] 赠送;捐献 [pitch in] 用财物帮助;资助 [contribute money] 捐助钱财 ...
pitch in 努力投入; 投入, 动手干, 作出贡献..
投入；作出贡献
That's why I want to pitch in.
这就是我想帮忙的原因。
Do you think it's possible that this family just wants you to pitch in a little, to be a good guest?
你觉得有没有可能这家人只是想让你当个好客人帮帮忙？
When all was ready, the Rat said, "Now, pitch in, old fellow!"
一切准备就绪，水鼠说：“老伙计，现在动手吧！”
The growing popularity of football or soccer known as here in the U.S., is on display every week on this pitch.
VOA : standard.2010.06.15
What is that called when you change the fundamental pitch in a piece, going to a different pitch level?
当你改变曲子的音高的时候,这叫什么,改变音高的层级吗
聆听音乐课程节选 : 耶鲁公开课
Here is the pitch in--of--a string an octave higher so you can see it this way. As you probably know, if you take a long string and pluck it, it's going to take that long string a long time to pass that sort of cycle, if you will, just one pass through that cycle.
这也是个音高,一个高八度的音弦,你可以这样这样看 你们可能知道,如果你拨动长弦,长弦要经过很长时间,才能完成一个震动周期,如果你想,可以尝试下
聆听音乐课程节选 : 耶鲁公开课
The last stadium, in the eastern city of Nelspruit, is to be handed over as soon as a new pitch is finished.
VOA : standard.2010.01.22
President Barack Obama, a White Sox fan, who chatted with the pitcher in the clubhouse of the All Star game last week before throwing out the first pitch, is left handed like Buehrle.
VOA : standard.2009.07.24
Once Rivera started throwing the pitch in games, it was lights out for opposing hitters.
My kids usually pitch in, flipping over sofa cushions, rummaging through their toy box in vain.
WSJ: Track Your Lost iPhone and Other Gear With These Gizmos
Have I urged, cajoled, and begged for every one of them who can to pitch in?