HEELS "Achilles heel" --- He's extremely intelligent, but his inability to speak in public is his Achilles heel. 다른 부분은 모두 좋으나 가장 취역한 약점을 말하며 이로 인해 실패하거나 추락할 수 있을때 사용하는 표현입니다. "bring someone to heel" --- The boy had always behaved badly, but the new headmaster managed to bring him to heel. 누군가에게 규율있게 행동하도록 강요하는 경우에 사용하는 표현입니다. "cool one's heels" --- After rushing to be on time for my appointment..