1. Have difficulty with...
结构：have difficulty (in) doing something 或 have difficulty with something
例句：
我在数学方面有困难 → I have difficulty with math.
她写作时有困难 → She has difficulty (in) writing essays.
2. Struggle with...
更强调“费力应对”，语气较强。
例句：
他学英语很吃力 → He struggles with English.
我在时间管理上有困难 → I'm struggling with time management.
3. Find it hard/difficult to...
结构：find it + 形容词 + to do something
例句：
我觉得学语法很难 → I find it hard to learn grammar.
她发现集中注意力很难 → She finds it difficult to focus.
4. Have trouble with...
口语化表达，用法与 have difficulty 相似。
例句：
我用这个软件有问题 → I have trouble with this software.
他发音有困难 → He has trouble with pronunciation.
5. Can't get the hang of...
表示“掌握不了窍门”，适合技能类困难。
例句：
我一直学不会游泳 → I can't get the hang of swimming.
她用不好这个工具 → She can't get the hang of this tool.
其他相关表达：
Be not good at...（不擅长）
I'm not good at public speaking.
Be challenged by...（较正式，多用于书面）
He's challenged by complex equations.
Encounter difficulties in...（书面或正式场合）
We encountered difficulties in the project.
注意事项：
Difficulty 后接名词用 with，接动词用 in doing（可省略 in）。
Struggle 可搭配进行时态，强调持续性的困难（I'm struggling...）。
根据语境选择合适表达，会更自然哦！
