| English | eng-000 |
| digging into | |
| Deutsch | deu-000 | Grübeln |
| Deutsch | deu-000 | eingehende Untersuchung |
| Deutsch | deu-000 | gründliche Forschung |
| English | eng-000 | enquiry into |
| English | eng-000 | excavation |
| English | eng-000 | inquiry into |
| English | eng-000 | prying |
| English | eng-000 | scrutiny |
| 日本語 | jpn-000 | 穿鑿 |