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first-class; first-rate; top-flight; top-ranking; leading; eminent; top
characteristic (of); peculiar (to); unique (to)
school (e.g. of flower arrangement)
one flag; one banner; one streamer
彼は一流のシェフになりたいそうだ。
He says he wants to become a first-class chef.
一流大学を卒業しても就職は難しい。
Even graduating from a top university, finding a job is hard.
一流の職人は道具を大切にする。
First-rate craftspeople take good care of their tools.