thách thức 英語で:

His brazen act of defiance almost cost him his life.

any defiance of the authoritarian regime would have dire consequences

the demonstration was held in defiance of official warnings

He quit school as an act of defiance.

She resorted to defiance in order to find out the truth.

The demonstration is a pointless act of defiance against the government

Mr. Darby pointed out: "every time a prospect tried to bow me out, without buying, I saw that child standing there in the old mill, her big eyes glaring in defiance, and I said to myself, 'I’ve gotta make this sale.'

He hurled defiance at me.

He kept on drinking in defiance of his doctor's warning.

He shouted defiance at me.

He jumped into the river in defiance of the icy water.