doubly difficult/hard/important
越发困难╱艰难╱重要
I made doubly sure I locked all the doors when I went out.
我一再查看所有的门都锁好后才出门。
I was doubly attracted to the house─by its size and its location.
我喜欢这房子有两方面的原因 — 大小合适而且地点好。
1.加倍;
1.The derivative of double
2.by a much greater amount, or to a much greater degree than usual
3.for two reasons, or in two ways
1.Unbelievers who turn away from Him and who deprive themselves of Him by their malice are today doubly culpable.
信的人，离他和谁剥夺了自己的他，他们的恶意今天加倍惩处。
2.Touching the soul directly through the eyes and, indirectly, along the dark channels of the blood, the moon is doubly a pinity.
直接通过眼睛或借助黑色的血液之渠触及灵魂，月亮就是一个神。
3.If at times I tried to forget all this, Oh. how harshly was I flung back by the doubly sad experience of my bad hearing.
假如有时我想努力忘掉这一切，唉，糟糕的听力又无情地将我拖回现实，悲伤无以复加！
4.Then, doubly to reassure herself, a fantastic idea seized Bertha to dress as though she were going to a great ball.
接着，为了得到双重保险，伯莎心生一个古怪的念头：她要梳妆打扮，就象她准备去参加一个盛大的舞会。
5.Actually, the person often is do not know to cherish when have, once lost ability, feel doubly precious.
其实，人往往是在拥有的时候不知道珍惜，一旦失去了才觉得倍加珍贵。
6.To my poor boy, left doubly desolate, I have never been able to impart a sense of my presence.
而我可怜的孩子留在那里，疑惑而哀伤。我从来没有让我的存在被人感知。
7.Now, I'm so happy to see that I was right. And I feel doubly happy. Instead of just one wonderful friend, I get two.
如今，很高兴我发现我是对的。我会更加为此高兴，因为我又多了一个很棒的朋友。
8."So far as I know this was the only doubly convicted, doubly transported Australian convict. "
“据我所知，这是唯一一个两次被判刑，又两次流放澳洲的囚犯。”
9.So they were doubly oppressed. Now younger black women are extremely active, to the surprise and amazement and dismay of men their own age.
如今的年轻黑人女性是非常的活跃，令到她们那些同时代的男性惊诧不已，自愧不如。
10.Mercury acts like a little gremlin during these retrograde periods, but doubly so at the start and end dates of these phases.
水星像一个小妖精在这些消退的日子，但是在初期与末期的日子才有双重的作用。（怎么感觉这么水呢？）