1. question
2. problem
3. issue
4. topic

classifier: 個

1. to be (followed by substantives only)
2. correct; right; true
3. (respectful acknowledgement of a command) very well
4. (adverb for emphatic assertion)

1. that day
2. the other day

1. of; ~'s (possessive particle)
2. (used after an attribute when it modifies a noun)
3. (used at the end of a declarative sentence for emphasis)
4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
5. also pr. dì or di in poetry and songs

1. car
2. vehicle
3. machine
4. to shape with a lathe
5. Kangxi radical 159

classifier: 輛

1. war chariot (archaic)
2. rook (in Chinese chess)
3. rook (in chess)

1. cannot
2. must not
3. should not

1. to use; to make use of; to employ
2. (coverb) with; using
3. to need; to have to (usu. used in the negative or in questions)
4. usefulness; utility
5. (bound form) expense; outlay
6. (courteous) to eat; to drink
7. (literary) hence; therefore