Common errors 31: Discreet vs. Discrete

You are discreet if you can keep secrets and behave diplomatically. 사려있는 신중한

Subject areas are discrete if they are quite separate and unrelated. 분리된, 불연속의

Common errors 30: Diagnosis vs. Prognosis

diagnosis: the identification of an illness or a difficulty

prognosis: the forecast of its likely development and effects

Idiom 106: Take the plunge

상황: 어떠한 상황에서는 과감한 결단이 필요하죠. 특히 결심을 단단히 하고 살을 빼는 것과 같이. 과감히 어떠한 행동을 할 때 쓰이는 표현입니다. 그리고 이 표현은 결혼하다라고 할 때도 쓰입니다.

take the plunge = do something decisive = get engaged

I realized I gained a lot of weight, so I finally took the plunge and decided to seriously go on a diet.