皮
pí
I n.
1) skin
没关系，只是破了点儿皮。 It doesn't matter. It only bruised the skin.
2) leather; hide
这是皮的！ This is made of leather!
3) wrapper
4) surface
5) thin/flat pieces/sheets
6) rubber
7) Surname
II s.v.
1) soft and soggy
2) indifferent; case-hardened
他让妈妈骂皮了。 He's been scolded by his mother so much that he is indifferent to it now.
3) naughty
这孩子太皮了。 This child is too naughty.