1. Have trouble (doing something)
结构：have trouble + V-ing
例句：
I have trouble understanding his accent.
She has trouble focusing at work.
2. Have difficulty (with/in doing something)
结构：have difficulty (with) + noun 或 have difficulty (in) + V-ing
例句：
He has difficulty with math problems.
They have difficulty (in) communicating effectively.
3. Struggle with/to do something
结构：struggle with + noun 或 struggle + to do
例句：
She struggles with public speaking.
We struggle to meet the deadline.
4. Run into trouble/problems (while doing something)
结构：run into trouble/problems + (while + V-ing)
例句：
They ran into technical problems while installing the software.
I ran into trouble trying to fix my car.
5. Have a problem (with something)
结构：have a problem + (with + noun/V-ing)
例句：
Do you have a problem with my decision?
He has a problem following instructions.
6. Encounter difficulties (in doing something)
结构：encounter difficulties + (in + V-ing)
例句：
The team encountered difficulties in completing the project on time.
7. Be faced with challenges (in doing something)
结构：be faced with challenges + (in + V-ing)
例句：
We are faced with challenges in reducing costs.
8. Have issues (with something)
结构：have issues + (with + noun/V-ing)
例句：
They have issues with the new policy.
I have issues remembering names.
9. Be having a hard time (doing something)
结构：be having a hard time + V-ing
例句：
She is having a hard time adjusting to the new job.
I had a hard time finding the right words.
10. Can’t seem to do something
结构：can’t seem to + V
例句：
I can’t seem to solve this puzzle.
He couldn’t seem to focus during the meeting.
其他相关表达：
Come up against difficulties
例句：We came up against unexpected difficulties.
Hit a snag (in doing something)
例句：The project hit a snag due to budget cuts.
Be stuck (trying to do something)
例句：I am stuck trying to figure out this error message.
根据具体语境选择合适的短语，注意搭配的介词（如 with, in, to）和动词形式（如 V-ing）。如果需要进一步细分，请告诉我具体场景！
