2/15 Constipation

* frustrating: 불만스러운, 짜증이 나는

* infrequent: 드문, 드물게 일어나는
ex> Bank robberies are relatively infrequent in this area.

* stool: 대변

* at one time or another: 최소한 한번쯤은, 한번은
ex> I'm sure we all have thought about death at one time or another.

* be more common in: ~에 더 흔하다
ex> Asthma is more common in children than adults.

* dairy product: 유제품


@ Did you take cold medicine?  감기약 먹었어?

1. I'm glad you brought up that topic again.
2. We've all had broken hearts at one time or another.
3. Flu is more common in the winter.
4. We cannot decide because of insufficient information.