I took a lot of flack for not playing up to expectations.

我因为没有达到预期希望而成为众矢之的。

《柯林斯英汉双解大词典》

Parents have high expectations for their children, and once the children let them down, they will push a lot of pressure on their kids.

父母对孩子有很高的期望，一旦孩子让他们失望，他们就会给孩子施加很大的压力

youdao

Imagine that, someday, our technology is good enough for people to live to 120, but a new treatment or method comes along that enables a lot of people to live to 150. Our expectations will also rise.

想象一下，有一天，我们的技术可以让人们活到120岁，但是又出现了一个新的疗法或方法能够让人们活到150岁，我们的期望也会提升。

youdao

"I used to have a lot of expectations about what that meant and what it was for.

VOA: standard.2010.04.07

they have a lot of high expectations about what they're going to get for their money. So,

对于拿钱买什么的问题，他们有很高的期望。所以，

上东区的瑜伽老师 - SpeakingMax英语口语达人

"I have a lot of expectations and pressure but I like coping with pressure, " the 20-year-old Serbian said.

BBC: SPORT | Tennis | Nadal struggles to win in Dubai

She explains that a lot of expectations about what children should be able to do at maths has come down in age range - so they need these new methods to help them understand quite demanding concepts.

BBC: Are parents being left out of the maths equation?

So there's a lot of kind of unrealistic expectations that are factored into this.

NPR: Fact-Checking the State of the Union Speech