《What Do They Know?》是Westlife的一首歌曲，探讨了外界对情侣关系的误解。歌曲中的主人公面对着来自外界的批评和不理解，这些批评仅仅基于片面之词和谣言。实际上，只有经历深刻爱情的人才能真正懂得爱的真谛。这首歌传递出一种坚定的态度：尽管外界有诸多猜测和批评，但真正的爱会在时间的考验中证明一切。
歌曲开篇指出外界只看到了情侣之间的争吵，却没有看到两人相爱的美好时光。因此，外界对这段感情的理解是肤浅且片面的。
副歌部分强调了外界并不了解情侣之间的真实情感，例如夜晚的轻触和清晨的温柔。这些细节构成了爱情的核心，而外界却无法体会。
接下来的歌词进一步说明，当所有的谣言消散后，真正的爱情依然存在。这种坚定的爱情会证明那些批评者的无知，因为他们从未经历过如此深刻的爱。
最后，歌曲总结了批评者的问题：他们只知道批评，却从不尝试去理解或体验真正的爱情。这使得他们的看法毫无价值。
All they know
Is when we fight
They never see us in the loving times
What do they know
They don't know a thing
And they don't know
How laughter flies
Only the stories
Most of which are lies
What do they know
They don't know a thing
How can you understand
A love so strong
When you never shared that with someone
And when all the lies are dead and gone
We'll still be here
We'll prove them wrong
Cause they don't feel
Your touch at night
The way your head falls in the morning light
What do they know
They don't know a thing
How can you understand
A love so strong
When you never shared that with someone
And when all the lies are dead and gone
We'll still be here
We'll prove them wrong
Cause all they know is how to criticize
They'll never take a chance in their own lives
What do they know
They don't know a thing