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opening words; speaking out
彼はその言い出しにくい話をどう切り出すか悩んでいた。
He was pondering how to bring up that difficult topic.
彼女は演説の言い出しを慎重に練った。
She carefully crafted the opening words of her speech.
彼の言い出しで、皆が沈黙した。
Everyone fell silent at his opening remark.