-----------------------------------
兄さん， にいさん， あにさん
1. older brother, elder brother
2. brother (as older-brother figure in friendly and or work relationship)
3. young man, buddy, fella, laddie
tbd
-----------------------------------
腹を立てる， 腹をたてる， はらをたてる
1. to take offense, to take offence, to get angry, to lose one's temper
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd
