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to (make something) quiver; to shake; to tremble; to vibrate
歌手は観客の心を震わせる歌声を披露した。
The singer delivered a voice that moved the audience to their core.
舞台に立った少女は感動で体を震わせた。
The girl standing on stage trembled with emotion.
彼は興奮のあまり手を震わせている。
His hands are trembling from sheer excitement.