英文諺語 Don’t look a gift horse in the mouth
Don’t look a gift horse in the mouth 勿對所受禮物挑剔抱怨
Don’t be ungrateful when you receive a gift.
Being overly critical or suspicious of something received at no cost. For example, Dad’s old car is full of dents, but we shouldn’t look a gift horse in the mouth. This term, generally expressed as a cautionary proverb ( Don’t look a gift horse in the mouth), has been traced to thewritings of the 4th-century cleric, St. Jerome, and has appeared in English since about 1500. It alludes to determining the age of ahorse by looking at its teeth. You look in a horse’s mouth to determine its age and/or health. So if someone gives you a horse as a gift (a gift horse), and you look in it’s mouth, it’s like looking for a price tag. It’s rude!