she once know him
她曾经认识他
以上为机器翻译结果，长、整句建议使用 人工翻译 。
She did not know why she hesitated to refuse him at once.
她不知道为什么自己没有毫不犹豫地拒绝他。
youdao
She wanted to rush to him at once , and know he was safe.
她想立即赶到他那儿，看看他是否安全。
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