1. to begin
2. beginning
3. to start
4. initial

classifier: 個

1. to laugh; to smile
2. to laugh at

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