在做某事上有问题用英语怎么说

1. have a problem (with) doing something

（注意：介词 with 可省略）

例句:

I'm having a problem (with) understanding this chapter.

（我在理解这一章上有困难）

2. have trouble doing something

（trouble 为不可数名词，不加冠词）

例句:

She has trouble sleeping at night.

（她晚上睡觉有困难）

3. have difficulty (in) doing something

（介词 in 可省略）

例句:

They had difficulty (in) solving the puzzle.

（他们解这个谜题有困难）

4. struggle with doing something

（强调持续性的费力过程）

例句:

He's struggling with writing academic essays.

（他在写学术论文方面很吃力）

⚠️ 常见错误提醒：

正确：have a problem doing something

正确：have trouble doing something

✅ 语法结构特点：

所有表达中动词均使用动名词形式（-ing），强调「在做某件事的过程中」遇到困难。