nocks 관용구

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school of hard knocks

ordinary experiences of life He learned all about life in the school of hard knocks.

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the school of hard knocks

life's hard lessons, learning from mistakes, roll with the punches "Teachers taught me what I should know; the school of hard knocks taught me what I must know."

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Opportunity seldom knocks twice.

Don't miss opportunities that come along.

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Fortune knocks once at every man's door

Everyone gets one good chance in a lifetime.

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Opportunity knocks but once

This idiom means that you only get one chance to achieve what you really want to do.

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school of hard knocks|hard knocks|knocks|school

n. phr. Life outside of school or college; life out in the world; the ordinary experience of learning from work and troubles. He never went to high school; he was educated in the school of hard knocks.