to be nervous, tense, or irritable
緊張している、イライラしている、または神経質である (kinchou shiteiru, iraira shiteiru, matawa shinkeishitsu de aru)
"She’s been on edge since the exam started."
"試験が始まってから彼女はずっと緊張している。" (shiken ga hajimatte kara zutto kanojo wa zutto kinchou shiteiru.)
to withdraw from an agreement or commitment
to not do what one said one would do
of the highest quality; excellent
Wear clothes that will make others admire you
to begin a process that will develop in the future
to calm down or relax; to not overreact