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former; previous; old
first move (in go, shogi, etc.); opening move
先月は忙しかったなあ。
Last month was really busy.
先生のご意見はいかがですか。
What is the teacher's opinion?
先日お会いした方からお礼の手紙が届いた。
I received a thank-you letter from the person I met the other day.