be faced with imminent disaster; 大难临头
much distress regenerates a nation; 多难兴邦
blame; reproach; 非难
censure; blame 责难
The road is bad.; The going is hard. 路难走。
I found English much more difficult to learn. 我发现英语难学得多。
it's hard to say; you never can tell; 难说
unforgettable 难忘
taste bad; be unpalatable; 难吃
unpleasant to the ear 难听
This puts him in a difficult position. 这回把他难住了。
The question put me on the spot. 这问题一下子把我难住了。
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)