1. to open (transitive or intransitive)
2. (of ships, vehicles, troops etc) to start
3. to turn on; to put in operation; to operate; to run
4. to boil
5. to write out (a prescription, check, invoice etc)
6. (directional complement) away; off
7. carat (gold)
8. abbr. for Kelvin, 开尔文 Kāiěrwén
9. abbr. for 开本 kāiběn, book format

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 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
4. to understand clearly (variant of 了 liǎo)

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

1. a; an; one
2. the whole (afternoon, summer vacation etc)

1. Combination of the numeral 一 (“one”) and the generic classifier 個／个: a; an; one
2. same

classifiers: 個, 扇