all the 形容词或副词比较级，是一固定结构，表示“更，更加，越发”等，请看：
This result gives us all the more reason for optimism.
这个结果使我们更有理由保持乐观。
We'll have to work all the harder with two people off sick.
有两个人病了没上班，所以我们得加把劲干。
以上2例摘自《牛津高阶英汉双解词典》
After that, he became all the more modest.
那件事情之后，他变得更加谦虚了。
I hate him all the more.
我更加恨他了。
If we get help, the work will get finished all the sooner.
如果我们得到帮助，这项工作就可以更早完成。
He refused to acknowledge that it was his fault and told a lie about it, which made the matter all the worse.
他不肯承认是他的过错并且撒谎，把事情弄得更糟。
He told a lie about it,and that makes his fault all the worse.
对于这件事他说了谎，这使他的错误变得更加严重。
It is all the more surprising that so many parents in the world choose to impose such abnormal conditions on their children.
更令人惊奇的是竟有这么多父母宁愿把这些不正常的状况强加于自己孩子身上。
The fact that they'd written the play themselves made it all the more impressive.
事实上，剧本是他们自己写的，这让它更加令人印象深刻。
The thought of the complete vanishing of smiles from his face during the rest of his life as a result of my death made me all the more determined against my death.
一想到因为我的死会使他的余生再也没有一丝笑容，那么我便更是不能死。
If we get help the work will get finished all the sooner.
如果我们获得帮助，工作就会结束得更早。
She has taken great pains to conceal her emotions, and thereby made them all the more conspicuous.
她煞费苦心地掩饰自己的情绪，从而使这些情绪更加明显。
The challenge is all the more serious when you consider the demanding exercise required to bike from France to Poland.
当你考虑从法国骑自行车到波兰需要的运动时，挑战更为严重。（2019浙江高考）
The challenge is all the more dramatic when you consider the tremendous, calorie-burning exercise required to bike from France to Poland.
当你考虑从法国骑自行车到波兰需要大量的卡路里燃烧练习时，挑战就更大了。
Of all things in the world, I think. the present is the most precious, and also the most apt to slip through our fingers. We, therefore, treasure it all the more because of its transience.
我认为世间最可宝贵的就是"今",最易丧失的也是"今"，因为它最容易丧失,所以更觉得它可以宝贵。
all the 比较级 是有时可表示也含“反而 …… 更加”的意思。
I like him all the more for his criticism.
因为他批评了我，我反而更加喜欢他。
Opening the window will make the room all the hotter.
打开窗户（反而）会使房间更热。
Your interfering with the matter made it all the more complicated.
你的干涉（反而）使这件事变得更加复杂。
Several publishers rejected her book, but that just made her all the more determined.
几家出版商拒绝了她的出书意愿，这反而让她更加坚定要出书。
