| Tâi-gí | nan-003 |
| lăn-tĕ | |
| 國語 | cmn-001 | 令人頭痛 |
| 國語 | cmn-001 | 緊要關頭 |
| 國語 | cmn-001 | 要點 |
| 國語 | cmn-001 | 謎 |
| 國語 | cmn-001 | 難事 |
| 國語 | cmn-001 | 難題 |
| English | eng-000 | Gordian knot |
| English | eng-000 | conundrum |
| English | eng-000 | crux |
| English | eng-000 | difficult problem |
| English | eng-000 | hard problem |
| English | eng-000 | nut |
| English | eng-000 | puzzle |
| English | eng-000 | riddle |
| Tâi-gí | nan-003 | bĕ |
| Tâi-gí | nan-003 | bī |
| Tâi-gí | nan-003 | iàu-tiám |
| Tâi-gí | nan-003 | lăn-sū |