We thought long and hard before deciding to move house.

我们经过长久慎重的考虑之后才决定搬家。

《牛津词典》

They decided to start a long and hard march.

他们决定开始一个漫长而艰苦的征程。

youdao

But the journey is long and hard.

不过这躺旅程漫长而艰辛。

youdao

Lincoln has been thinking long and hard to develop his ideas and capture them in words.

VOA: special.2010.05.10

and they haven't really thought long and hard about whether they want to be a lawyer.

其实，关于将来愿不愿意当律师，他们自己也没有仔细考虑过。

拿全额奖学金 - SpeakingMax英语口语达人

Not the soul can't be destroyed or if it can be destroyed, it is very very hard and takes very very long time.

而不是灵魂不会毁灭，或者,如果可以毁灭，毁灭会很难,需要很长时间。

耶鲁公开课 - 死亡课程节选

At that point, I'm sure he thought long and hard about whether he'd give any more.

FORBES: Legal Adversary Turned Ally

As a result investors would think long and hard before committing any new money to Russia.

BBC: Russia tumbles and the world trembles

He repeatedly insisted that the British economy was healing, but the road was long and hard.

BBC: Autumn Statement: Press reaction