to feel very nervous about something
何かについてとても緊張する (nanika ni tsuite totemo kinchou suru)
"She always has butterflies in her stomach before exams."
"彼女は試験の前にいつも緊張します。" (kanojo wa shiken no mae ni itsumo kinchou shimasu)
to increase speed
to remain calm and not show emotion
to establish a rule or principle
expect a positive outcome even in uncertainty
something very pleasing to hear
to trust that someone is telling the truth
