The museum's latest exhibit ambitiously attempts to encapsulate all of modern history.

这家博物馆最近的展览雄心勃勃地试图囊括现代历史的全部内容。

The previous four attempts all ended in the rocket crashing or exploding.

之前的四次试飞都以火箭坠毁或爆炸告终。

He scoffed at our amateurish attempts.

他对我们不在行的尝试嗤之以鼻。

The introduction attempts to yoke the pieces together.

引言试图将各部分硬拼凑在一起。

The president survived a number of assassination attempts.

总统在数次暗杀企图中幸免于难。

You should encourage your child's attempts at self-expression.

对孩子表达自我的尝试，你应当加以鼓励。

It may take a number of attempts, but it is worth keeping at it.

可能需要多次尝试，但这件事值得坚持做下去。