这是一项艰难的工作，尤其是对一个有家庭作业、有童子军、有朋友的孩子来说。

It's a difficult job, especially for a kid with homework and Boy Scouts and friendships to tend to.

youdao

这些发现与你对进化论的期望是一致的：那些喜欢交朋友和帮助别人的人能够收集足够的资源来度过艰难时期。

These findings are in agreement with what you would expect from the evolutionary theory: those who like to make friends and help others can gather enough resources to make it through tough times.

youdao

他是我最忠实的朋友，即使在情况十分艰难的时候他也会支持我的。

He's my best friend, who stood by me when the going was hardest.

youdao