1 surname Du

1 boss

2 superior

1 old variant of 乾|干[gān]

1 clean

2 neat

1 to dry (of weather, paint, cement etc)

2 desiccation

3 dull

4 uninteresting

5 arid

1 thoroughly (idiom)

2 completely

3 one and all

4 very clean

1 smell of mother's milk not yet dried (idiom); immature and inexperienced

2 still wet behind the ears

1 all thunder but no rain (idiom)

2 a lot of noise but no action

1 lit. to exchange weapons of war for gifts of jade and silk (idiom)

2 fig. to turn hostility into friendship

1 lit. dry mouth and tongue (idiom); to talk too much