Without the pencil, subjects were excellent judges, but with the pencil in their mouth -- when they could not mimic the smile they saw -- their judgment was impaired.
연필 없이, 대상자들은 훌륭하게 판단했습니다. 하지만 입에 연필을 물고서 그들이 봤던 미소를 흉내내지 못했을 때는, 판단이 정확하지 못했죠.