muck in

基本解释

Colquhoun said everyone had to muck in and urged delegates at the UN climate talks in Copenhagen to produce more than just hot air.
柯恩宽说，每个人都应该尽一己之力，敦促联合国哥本哈根气候大会的代表不要只说空话，要拿出点成绩来。
eachinese.com
The problem is, the internet is a republic; which means that the most exalted content has to muck in with everything else that's out there.
但问题在于，互联网具有着公共的属性，这意味着最为菁华的内容往往混同在不引人注目内容之中。
Non-profit bosses tend to muck in with volunteers when the heat is on (you’ll find them, for example, helping to stuff goody bags for fund-raising events).
当天气热的时候，非营利组织的老板们常常与志愿者一起工作（例如，你会发现他们帮忙制作礼品袋用于募集资金活动）。

The weather was gray again, with muck in the sky from the Pearl River Delta factories.
FORBES: Travel Log
In 2005 doctors in Australia noticed that surfers with cystic fibrosis had a lot less muck in their lungs.
FORBES: Magazine Article
Non-profit bosses tend to muck in with volunteers when the heat is on (you'll find them, for example, helping to stuff goody bags for fund-raising events).
ECONOMIST: Schumpeter