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

classifier: 個

1. empress
2. queen
3. (archaic) monarch
4. ruler

1. back
2. behind
3. rear
4. afterwards
5. after
6. later
7. post-

1. to return to
2. to come (or go) back

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