-----------------------------------
ために， 為に， 爲に
1. for, for the sake of, to one's advantage, in favor of, in favour of, on behalf of
2. because of, as a result of
为了；因为
-----------------------------------
口をきく， 口を利く， 口を聞く， くちをきく
1. to speak, to talk
2. to mediate, to act as a go-between, to put in a good word (for someone)
tbd
-----------------------------------
くれる， 呉れる
1. to give, to let (one) have
2. to give
3. to do for one, to take the trouble to do
4. to do to someone's disadvantage
tbd