classifiers: 個, 位

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

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

classifiers: 次, 個

1. to prove a point
2. to expound on
3. to demonstrate or prove (through argument)
4. proof

1. (completed action marker)
2. (modal particle indicating change of state, situation now)
3. (modal particle intensifying preceding clause)

1. to finish
2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
3. (literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
4. to understand clearly (variant of 瞭 liǎo)

1. (of eyes) bright
2. clear-sighted
3. to understand clearly

1. (pronoun) this
2. (adjective) this

1. way of thinking; opinion; notion
2. to think of a way (to do sth)