■There is no / some / much / little difficulty / trouble with sth. 做某事(没) 有困难。如：

(1) There is some difficulty with the text. 这篇课文还有点困难。

(2) There is little trouble with the matter. 这件事情没有什么麻烦。

■There is no / some / little / much difficulty / trouble in + doing. 做某事有困难。如：

(1) There is much difficulty in finishing the work in the given time. 在规定的时间内完成这项工作还很困难。

(2) There is no trouble in reading the article without a dictionary. 即使不用词典读这篇文章也不难。

■There is no doubt about / of sth. 毫无疑问…。如：

(1) There is no doubt about his coming here. 毫无疑问，他会来。

(2) There is no doubt of his words. 对他的话毋庸置疑。

■There is no doubt that