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confrontation; opposition; antagonism
歴史的な問題で両国は長い間対立を続けている。
The two countries have been in opposition for a long time.
意見の対立で話し合いが進まない。
The discussion isn't progressing due to opposing opinions.
進路のことで親子が意見対立して困っている。
I'm troubled because the parent and child are in conflict.