| Subject | English | Japanese |
| rel., budd. | any visual disorder caused by a problem within the eye | 底翳 (i.e. glaucoma, amaurosis, etc.) |
| rel., budd. | any visual disorder caused by a problem within the eye | 内障 (i.e. glaucoma, amaurosis, etc.) |
| gen. | exp n method of questioning that leads to the identification of the root causes of a problem | なぜなぜ分析 |
| gen. | seize the crux of a problem | 思い当る |
| gen. | seize the crux of a problem | 思いあたる |
| gen. | seize the crux of a problem | 思い当たる ichi1 |
| gen. | statement of the problem | 問題点の記述 |
| gen. | n the problem | 問題点 news1 nf04 (at issue, もんだいてん) |
| gen. | n debate over the problem of universals | 普遍論争 |
| gen. | n the said problem | 該問題 |
| phys. | n the three-body problem | 三体問題 (さんたい・もんだい) |
| gen. | what seems to be the problem? | どうされましたか |