第 8 单元 C 课

The origin of the idiom "make up one's mind" can be traced back to Middle English usage. The term "make up" in this context refers to the act of completing or finalizing something. The phrase implies the idea of resolving or settling one's thoughts or intentions on a particular matter. It is used in various contexts and occasions to describe the process of reaching a decision or forming a firm opinion. It can be employed in personal, social, or professional settings.

The origin of the phrase "get on one's nerve" can be traced back to the late 19th century. The word "nerve" in this context refers to one's sensitivity or emotional state. The phrase likely emerged from the idea that persistent or irritating stimuli could affect one's nerves, causing discomfort or annoyance. This idiom is commonly employed in interpersonal relationships, such as with family members, friends, or colleagues, to express exasperation or frustration with someone's behavior, habits, or actions that continually test one's patience or sensitivity.