truism
US /ˈtruː.ɪ.zəm/
UK /ˈtruː.ɪ.zəm/
1.
老生常谈, 自明之理
a statement that is obviously true and says nothing new or interesting
:
•
It's a truism that you can't please all the people all the time.
“你不可能一直取悦所有人”是一个老生常谈。
•
His speech was full of empty truisms.
他的演讲充满了空洞的老生常谈。