她带着忐忑不安的心情踏上空荡荡的舞台，第一场独奏即将开始。
With trepidation, she stepped onto the empty stage, her first solo recital about to begin.
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解释
trepidation 形容首次公开表演前的紧张与不安。
With trepidation, she stepped onto the empty stage, her first solo recital about to begin.
trepidation 形容首次公开表演前的紧张与不安。