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one person
being alone; being by oneself
being single; being unmarried
by oneself; alone
just; only; simply
ひとりで旅行するのが好きだ。
I like traveling alone.
ひとりの時間も大切にしたい。
I want to value my alone time too.
ひとりで考えていても答えは出ない。
Thinking by yourself won't give you an answer.