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to meet; to encounter; to see
to have an accident; to have a bad experience
今朝、駅で彼にあった。
I met him at the station this morning.
公園で昔の友人にあいました。
I met an old friend in the park.
週末に親友にあえるのが楽しみだ。
I look forward to meeting my best friend this weekend.