树的主干trunk

• 树干

  tree trunk

• 多干的灌木

  shrub with many main branches

事物的主体main part

参见：干部[gànbù]

作to do

• 干重活

  to do heavy work

• 干坏事

  to do bad things

• 干无聊的事

  do something silly

• 拼命干

  do energetically

• 苦干加巧干

  combine hard work with clever work

• 干到底

  do something to the bitter end

• 要干就干到底。

  If one does something, one should see it through.

• 坚决不干

  firmly refuse to do

• 他说干就干。

  He promised to do it and started straightaway.

• 这是他干出来的。

  He did this.

• 你看，你干了些什么呀！

  Just look what you've done!

• 你们这种人是什么都干得出的。

  People like you are capable of doing anything.

• 他是干什么的?

  What does he do?

担任to work as

• 他干过厂长。

  He has worked as a factory head.

事情变坏<方>to go wrong

• 这一下可干了。

  That's done it!

能干capable