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number one; first; first place
best; most
game; round; bout
as a test; as an experiment; by way of experiment; by way of trial; tentatively
song (e.g. in noh); piece
これが一番好きだよ。
This is my favorite.
この店のラーメンが一番好きだ。
I like this shop's ramen the best.
クラスで一番背が高いのは誰。
Who is the tallest in the class?