第 10 单元 - 参考

The idiom "at one's wit's end" is used to describe a state of extreme frustration, confusion, or helplessness when someone has exhausted all their resources, ideas, or patience in dealing with a difficult situation or problem. It is often used in situations where individuals feel overwhelmed and unable to find a solution or way forward. This expression implies a feeling of being completely stuck or at a loss for what to do next. It can be used in various contexts, such as personal challenges, professional dilemmas, or even in parenting when dealing with a particularly difficult child.

The idiom "in the long run" has an origin that can be traced back to the mid-19th century. It draws on the metaphorical concept of a race or journey, where the focus is on the overall outcome or result after a significant period of time or distance covered. This expression is commonly used in discussions related to investments, business planning, personal relationships, health habits, and societal changes.

The origin of the idiom "under one's thumb" is not definitively known, but it has been in use since the 17th century. The phrase likely comes from the image of someone being under the physical control of another person, with the thumb representing dominance and control. The thumb is a powerful digit that can exert pressure and control over objects, and by extension, over people. The phrase may have originated from physical gestures or actions where someone literally presses their thumb upon another person to assert dominance or control.

The origin of the phrase "over the moon" can be traced back to early 20th-century England. The exact origins are uncertain, but it is believed to have originated from the idea that the moon is associated with a sense of wonder and enchantment. This idiom can be used to express intense happiness in relationships, such as falling in love or experiencing a significant milestone.