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. to invent
2. an invention

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. to be patient
2. patience

1. experiment
2. test
3. experimental
4. to experiment

classifiers: 個, 次

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 跑堂兒的 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. result
2. achievement
3. gain
4. profit

classifier: 個