Xiaoming always asks why and he'll never be satisfied until he knows everything.

小明老爱问为什么，老爱打破沙锅问到底。

《新英汉大辞典》

In this case, the join condition can never be satisfied and a join failure occurs.

在这种情况下，联接条件永远不能满足，并且会发生联接失败。

youdao

If I'm constantly keeping count of what I feel I'm entitled to, I may never be satisfied.

如果一直计算着自己觉得有权利得到的东西，我永远也不会满足。

youdao

"Therefore, I will never fix my architectural style and never be satisfied with my works, " he said in a statement.

BBC: Stadium for The World Games 2009 in Kaohsiung

And though I will never be satisfied while people are out of work and our financial system is weakened, we can be confident that the storms of the past two years are beginning to break.

WHITEHOUSE: President Obama on the Anniversary of Lehman's Fall

But, even if such money is found through charges, the lesson of history is that demand for health care will never be entirely satisfied.

ECONOMIST: Bevan’s baby hits middle age | The