I had met with great difficulty in learning organic chemistry.
在学有机化学这门课程的时候，我碰到了重重困难。
When we have difficulty in learning English, she will help us one by one.
当我们在学习英语上遇到困难时，她会逐个的帮助我们。
When I began my senior middle school years, I had difficulty in learning English.
刚上高中时，我英语学得很吃力。
They have little difficulty in learning new things.
他们学习新东西不费吹灰之力。
He has much difficulty in learning French.
他学法语有很大的困难。
I find some difficulty in learning English.
我觉得学英语有些困难。
Do you have any difficulty in learning English?
你学英语很吃力吗？
He had great difficulty in learning English grammar.
他学习英语语法困难重重。
While measure words greatly enrich the language, they also increase the difficulty in learning.
这些现象既丰富了汉语的表现能力，又加大了汉语学习难度。
They had some difficulty (in) learning English.
他们学习英语有些困难。
He has difficulty (in) learning maths.
他学数学有困难。
He has difficulty (in) learning maths.
他学数学有困难。
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