あいつ, 彼奴
Pronoun, Derogatory, Familiar language, Usually in kana
he, she, that guy, that one, that thing
あいつには二度と会いたくない。
は
Particle, pronounced わ in modern Japanese
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
そこまで, 其処まで
Expression, Usually in kana
1. that far, so far, to that extent
Interjection
2. stop!, not one step further!
流行る, はやる
Godan verb, Intransitive
1. to be popular, to come into fashion
2. to be prevalent, to spread widely (e.g. disease), to be endemic
3. to flourish, to thrive
その年はペストがはやった。
はやる, 逸る, 早る
Godan verb, Intransitive, Usually in kana
1. to be impatient, to be eager, to be restless, to be rash, to be impetuous
2. to be excited, to be in high spirits