当我把这个想法告诉他时，他嗤之以鼻，认为毫无价值。

When I told him about the idea, he ___pooh-poohed it as worthless.

她对那些老套的建议嗤之以鼻，认为它们过时且无用。

She ___pooh-poohed those cliché suggestions as outdated and useless.