одного только языка недостаточно...

[butterflycat]

одного только... Language alone?

[Bentozuh]

language skills наверное, имеется ведь в виду именно знания языка

[Wade33]

mab: language itself is insufficient...?

[S-77]

only linguistic proficiency is not enough...

[Translucid Mushroom]

Контекст больше, а то опять гадание на кофейной гуще.

[D-50]

I'm telling ya, one prisoner for interrogation is not enuff, we gotta get at least two more :-))))

[Codeater]

One beef tongue is not enough, you have to use other ingredients to cook this dish. :))

[PERPETRATOR™]

The tongue alone is not enough to utter speech sounds, you have to have lips, teeth and what not.