 |
| English | Russian |
| grow less keen | притупиться ("Yet I could not shake off the vague feeling of dread which it left behind it, though the sensation grew less keen as the weeks passed, and nothing happened to disturb the usual routine of our lives." (Sir Arthur Conan Doyle) ART Vancouver) |
| keen eye | меткий глаз |
| keen eye | чутьё (He has a keen eye for good ideas. VLZ_58) |