1. Have difficulty (in) doing something
（最常用结构，注意 difficulty 是不可数名词）
I have difficulty understanding his accent.
（我很难听懂他的口音。）
She had difficulty finding a job after graduation.
（她毕业后找工作遇到了困难。）
2. Struggle with something / Struggle to do something
（强调努力克服困难）
He struggles with math problems.
（他在数学题上有困难。）
They struggled to meet the deadline.
（他们拼命赶在截止日期前完成任务。）
3. Find it hard/difficult to do something
（直接表达“觉得做某事很难”）
I find it hard to concentrate in noisy environments.
（我在嘈杂环境中很难集中注意力。）
She found it difficult to adapt to the new culture.
（她发现适应新文化很困难。）
4. Run into difficulties/trouble
（突然遇到困难，口语常用）
We ran into some difficulties during the experiment.
（我们在实验中遇到了一些困难。）
He ran into trouble while fixing the computer.
（他修电脑时遇到了麻烦。）
5. Encounter difficulties/problems
（较正式的表达）
The team encountered unexpected difficulties during the project.
（团队在项目中遇到了意外困难。）
6. Have a hard time (doing something)
（口语化表达，强调过程艰难）
I’m having a hard time learning how to code.
（我学编程很吃力。）
They had a hard time convincing the client.
（他们费了很大劲说服客户。）
7. Be stuck (on something)
（卡在某个环节无法进展）
I’m stuck on this question. Can you help me?
（我被这道题卡住了，能帮帮我吗？）
常见搭配扩展：
Overcome difficulties 克服困难
Face challenges 面临挑战
Deal with obstacles 处理障碍
✅ 注意：
介词搭配：difficulty (in) doing（口语中常省略 in）；
区分可数/不可数：
"I have difficulty"（不可数，泛指困难）
"We encountered difficulties"（可数，指具体困难）。
希望这些表达能帮到你！
