hard stuff

常见例句

Philosophy is hard stuff to read.
哲學是很難讀懂的東西。
Skip the hard stuff.
跳過睏難的地方。
Changing ourselves, changing our behavior — this is hard stuff.
改變自己，改變我們的行爲 - 這是睏難的事情。

I'm the heterogeneous system, soft stuff, hard stuff, liquid stuff.
我是非均勻系統，有軟的物質，硬的物質，液躰物質等。
麻省理工公開課 - 熱力學與動力學課程節選
It's hard to write a lot of stuff in a language that you're not as familiar with,
用你不熟悉的語言寫論文真的很難，
選擇國際學的理由 - SpeakingMax英語口語達人
Philosophy is hard stuff to read.
哲學是很難讀懂的東西。
耶魯公開課 - 死亡課程節選

And you just mentioned, let's do the fun stuff before we do the hard stuff.
WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire
But it is also true that what remains is hard stuff -- entitlement reform and tax reform.
WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,
It is hard to persuade people to do hard stuff that entails trimming benefits and increasing revenues.
WHITEHOUSE: President Obama’s News Conference on Deficit Reduction