Some prices are preposterously high.

有些价格高得离谱。

《柯林斯英汉双解大词典》

He argues, preposterously, that climate change can be curbed without spending much money.

他天真地辩称遏制气候变化无须花费太多金钱。

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Present a difficult problem, they provide a clear, direct, and preposterously simplistic answer.

FORBES: Forget Bulls And Bears: Why Are So Many Investors Boors?

Music spills out onto the streets and drunken 20-somethings are wandering around, drinking beer out of preposterously large plastic cups.

NPR: New Orleans Waits for Your Business

He was preposterously fair-skinned, weak in the chin, cherubically curly up top, and had worn the same round wire frames forever.

NEWYORKER: Good Neighbors