他拒绝谈话是实现和平的主要障碍。

His refusal to talk is the main obstacle to peace.

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His refusal to talk is the main obstacle to peace.

obstacle 是名词,来自拉丁语 obstaculum,由 ob-(表示"反对、阻挡")和 staculum("站立")组成,字面意思是"阻挡站立的东西",引申为"障碍物、阻碍"。

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