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no small task (It speaks very highly of the organizers of this meeting as it is no small task to get medical researchers from around the world to gather at a single site for an exchange of ideas. 4uzhoj); no small undertaking (It's 10 metres long, but will be cleaned and conserved under a microscope – both the top side and the underside – so it's no small undertaking.  bbc.com 4uzhoj) | |||
| no mean feat; challenge; no easy feat | |||
| задача не из лёгких: 3 phrases in 1 subject |
| General | 3 |