The army was well-trained and well-armed,and had little difficulty defeating the enemy.这句话中defeat为什么要加ing?

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The army was well-trained and well-armed,and had little difficulty defeating the enemy.这句话中defeat为什么要加ing?
The army was well-trained and well-armed,and had little difficulty defeating the enemy.
这句话中defeat为什么要加ing?

The army was well-trained and well-armed,and had little difficulty defeating the enemy.这句话中defeat为什么要加ing?
因为defeat前面有difficulty 而 difficulty 的固定搭配是 have difficulty in doing ,其中in常被省略,所以就变成了原句中的样子哦~
还如:
He has a lot of difficulty getting up. 他每次起床都很难.

这是固定句型 have difficulty doing sth 有困难做某事,
采纳吧少年!!!!!

因为这句话是发生在过去。【过去进行时】啊