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one person
being alone; being by oneself
being single; being unmarried
by oneself; alone
just; only; simply
1人で映画を見に行った。
I went to see a movie by myself.
一人で映画を見に行った。
I went to see a movie alone.
今日は1人でゆっくり過ごしたい。
I want to spend today relaxing by myself.