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to go out (e.g. on an excursion or outing); to leave; to depart; to start; to set out
to be about to leave; to be just going out
ちょっと出かけてくる。
I'm going out for a bit.
雨でも出かけなければならない。
I have to go out even if it rains.
友達と一緒に買い物に出かけようよ。
Let's go out shopping with a friend.