To be honest, I feel let down.

说实话，我感到失望。

金山词霸

He is a bit let down by the low grade he got.

这次成绩不好,他有点气馁.

《简明英汉词典》

Don't let down even if the going is good.

即便在顺利的情况下也不要松劲.

《现代汉英综合大词典》

This struggle is sharp and complex. We can never let down guard.

这场斗争是尖锐复杂的, 我们决不能掉以轻心.

《现代汉英综合大词典》

Please let down the blinds.

请把百叶窗放下来.

《简明英汉词典》

When he sees me, he has just let down the receiver.

当他看见我的时候, 他就放下了听筒.

辞典例句

They arrived, the carriage turned, the step was let down.

他们到达目的地, 马车转过头, 踏脚板放了下来.

辞典例句

She let down a dress.

她把衣服改长些.

辞典例句

The party was a big let - down.

这个聚会令人大失所望.

辞典例句

Please let down the curtain.

请把窗帘放下来.

辞典例句

Are you going to let down or take up the hem of that dress?

这件衣服你是打算放长还是折短?

辞典例句

Mr. Osterman, I must ask you to let down the hammer of your weapon.

奥斯特曼先生, 我得请求你把你那支枪的撞针扳下来.

辞典例句

The hem of your dress needs to be let down an inch.

你衣肤的折边有必要放长1英寸.

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Some jokers have let down the back tyres of my car.

有人开玩笑把我汽车后轮胎的气放掉了.

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Cao Cao from then onwards, let down his guard on Liu Bei.

曹操见状,大笑不止,认为刘备连打雷都害怕,成不了大事, 对刘备放松了警觉.

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