1. (bound form) up; upper; above; previous
2. first (of multiple parts)
3. to climb; to get onto; to go up
4. to attend (class or university)
5. (directional complement) up
6. (noun suffix) on; above

1. leather
2. skin
3. fur
4. pico- (one trillionth)
5. naughty

classifier: 張