1. if
2. in case
3. in the event that

1. to have to
2. must
3. compulsory
4. necessarily

1. beforehand; first; earlier
2. at first; originally
3. for the time being; for now
4. (prefix) my late (in referring to deceased relatives older than oneself)

1. to learn
2. to study
3. to imitate
4. science
5. -ology

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. haven't
2. hasn't
3. doesn't exist
4. to not have
5. to not be

1. opportunity
2. chance
3. occasion

classifier: 個

1. to yield
2. to permit
3. to let sb do sth
4. to have sb do sth
5. to make sb (feel sad etc)
6. by (indicates the agent in a passive clause, like 被 bèi)

classifiers: 個, 位

1. to conquer
2. to subdue
3. to vanquish

classifier: 個

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. right; correct
2. towards; at; for
3. concerning; regarding
4. to treat (sb a certain way)
5. to face
6. (bound form) opposite; facing; matching
7. to match together; to adjust
8. to fit; to suit
9. to answer; to reply
10. to add; to pour in (a fluid)
11. to check; to compare
12. classifier: couple; pair

1. bar (loanword) (serving drinks, or providing Internet access etc)
2. to puff (on a pipe etc)
3. (onom.) bang
4. abbr. for 贴吧 tiēbā

1. (modal particle indicating suggestion or surmise)
2. ...right?
3. ...OK?
4. ...I presume.