困难的副词是difficultly。
difficulty:
n.困难;难题;难事;困境;艰难;费劲;辛苦;困难程度;难度;
复数: difficulties
相关介绍
He found the place without difficulty.
他毫不费力地找到了那地方。
The changes were made with surprisingly little difficulty.
这些变化几乎没有遇到阻力,简直不可思议。
We found the house without difficulty.
我们轻而易举就找到了这栋房子。
The tasks have been ranked in order of difficulty.
按照困难程度对工作进行了分类。


