His dirty hand makes the paper dirty.

他用脏手把纸弄脏了。

youdao

The boy wiped a dirty hand across one eye and looked at Manuel.

男孩用一只脏手擦擦一只眼睛，看看曼纽尔。

youdao

By spending their surplus on dirty fuels and then sticking their hand out to request money for clean energy is disingenuous at best.

把顺差花在脏能源上再伸手要钱起码来说是缺乏诚意的。

youdao

It goes out to the outside world, interacts,gets its hand and mind dirty, does work outside and then applies its work and learns from "the dirty experiences" and brings it back to the lab and so on and so on in an upward spiral.

而是走到外面的世界，与外界互动，接触那些“肮脏“事物，在外面工作，并吸取经验,从“肮脏经验“中学习“,将得到的经验带回实验室,诸如此类，就像一个上升的螺旋。

哈佛公开课 - 幸福课课程节选

It has told countries that promised to hand dirty power plants all the permits they needed for years to come that they could not do so, because such pledges might undermine any chance of introducing a tougher regime after 2012.

ECONOMIST: Europe's emissions-trading scheme

His works include the music for "Cool Hand Luke, " "Dirty Harry, " "Bullet, " and "Mannix, " and this little jam.

NPR: Lalo Schifrin, from 'Mission Impossible' to Jazz

All are attempts to bridge the gap between the academic classroom on the one hand and the more practical, hands-dirty approach of commercial management development.

ECONOMIST: Business schools