1. I
2. me
3. my

1. (spoken) why?
2. for which reason?

1. to take up time
2. to spend time

1. to make; to produce
2. to write; to compose
3. to do; to engage in; to hold (a party etc)
4. (of a person) to be (an intermediary, a good student etc); to become (husband and wife, friends etc)
5. (of a thing) to serve as; to be used for
6. to assume (an air or manner)

1. (pronoun) this; these
2. (bound form) this; the (followed by a noun)
3. (bound form) this; these (followed by a classifier) (in this sense, commonly pr. zhèi, esp. in Beijing)

1. matter
2. thing
3. item
4. work
5. affair

classifiers: 件, 樁, 回

1. alternative form of 倳 (zì, “to establish”)
2. alternative form of 剚 (zì, “to stab”)