No diet has ever been able to defy the laws of thermodynamics.
没有食物可以改变热力学的规律。

To resist or defy an authority or a generally accepted convention.
反抗拒绝服从或反对权威或已普遍接受的传统观点

I defy you to come up with one major accomplishment of the current Prime Minister.
我敢说你讲不出现任首相的哪怕一项重大成就。

They defy accurate classification at present.
这使目前的正确分类有困难。

Their faces defy the demanding nature of their work with clean, lighthearted expressions, somehow unanchored by the heavy footsteps below dragging their way through the acrid soil.
在吐出对吃苦的无奈话语后, 总不忘咧嘴哈哈大笑。

They defy difficulties and advance wave upon wave.
他们不怕困难，前扑后继。

People of the world, be courageous, dare to fight, defy difficulties and advance wave upon wave.
全世界人民要有勇气，敢于战斗，不怕困难，前赴后继。

Are you a death defying adventurer with a skill for spectacular airborne stunts?
你是不畏死亡做出壮观的空中特技的冒险家吗？

He thinks that religions must publicly advocate values that defy the secular consensus.
他认为宗教应该公开地倡导那些超越世俗舆论的价值观。

Ml SSS AGE DEFY HAND CREAM 75ML
柔肤新生手霜75

Age Defying Series Revitalizing Eye Gel
活肤精华眼者哩

This is the only organ in the body which seems to defy the aging process.
这是身体里唯一不服老的器官

He was going ahead defying all difficulties.
他不顾一切困难坚持干下去。

He won't allow anyone to defy his ministerial authority.
他不允许任何人挑衅他的教长权威。

Her criteria defy analysis.
她的标准让人搞不明白。

The towering pine and cypress trees defy frost and snow.
松柏参天傲霜雪。

Dad will be really angry if you defy him again.
如果你再违抗爸爸，他真要动怒了。

I defy anyone to disprove it.
我倒要看看有谁敢反驳。

I defy anyone to object to it.
我可要看看有哪一位敢反对它。

I do defy thy conjurations, and apprehend thee for a felon here.
我不听你这种鬼话你是一个罪犯, 我要逮捕你。

He looked at me as if he was defying me to argue.
他盯着我看，好像想激我与他争论。

Several men tried to defy the police, and a number of arrests were made.
几个男子企图对抗警察，许多人遭到逮捕。

they may seem, at first glance, to constitute a vast chaotic mass that would defy and attempt at logical organization.
粗粗看来，一切都似乎杂乱无章，无逻辑性可言。

Diaries of expedition members attest to an extraordinary faith in their leader throughout the two death-defying years it took to return safely.
探险队队员的日记表明，在他们向死亡挑战，最后安全返回的两年时间里，他们对自己的领袖有很大的信心。

incitement to defy authority
煽动反对当局。