hostilidad

The idiom "nourish a viper in one's bosom" can be traced back to ancient Roman mythology and Aesop's fables. The phrase refers to the story of a person who unknowingly takes care of a venomous snake, symbolizing a treacherous or deceitful individual. It is used to caution against misplaced trust or being too generous to someone who does not deserve it. It is often employed to describe situations where someone is deceived by a person they had trusted or helped.

The origin of the idiom "no love lost between" can be traced back to Shakespeare's play "The Merchant of Venice" written in the late 16th century. It is used to describe a situation where there is tension, conflict, or a lack of harmony between two parties. It emphasizes the absence of positive emotions or friendly relations.

The idiom "fair-weather friend" is derived from the fact that a fair-weather day is a day when the weather is mild and pleasant. Similarly, a fair-weather friend is someone who is only around when things are going well. It is used to describe someone who appears to be a friend but abandons or turns against you when you face hardships or adversity. It highlights the insincerity or lack of true friendship.

The origin of the idiom "cold shoulder" is uncertain, but there are a few theories about its origin. One theory suggests that it comes from the custom of serving a cold shoulder of meat to an unwelcome guest as a sign of rejection or disinterest. Another theory links it to the practice of turning one's shoulder coldly toward someone to show indifference or lack of interest. Regardless, this expression is now used to describe situations where someone is intentionally being distant or unfriendly towards another person.

The origin of the idiom "burn one's bridges" can be traced back to military strategies. In ancient times, armies would sometimes burn the bridges they crossed to prevent retreat, committing themselves fully to the battle. This act eliminated the option of turning back and forced them to move forward with determination. This idiom is used to describe a deliberate choice or action that makes it impossible to go back. It shows a commitment to moving forward without the possibility of returning to a previous state or relationship.

The idiom "cat-and-dog life" is derived from the fact that cats and dogs are natural enemies. They are often seen fighting and chasing each other, and they are rarely seen getting along. The idiom "cat-and-dog life" is a common idiom that is used to describe a relationship that is full of conflict.

The idiom "drop someone or something like a bad habit" is thought to have originated in the early 19th century. It is believed to be a reference to the fact that bad habits are difficult to break, and that it is often easier to simply abandon them altogether. This idiom is used to describe the act of quickly and completely severing ties with a person, object, or situation that is considered undesirable, harmful, or no longer beneficial. It emphasizes a strong determination to remove someone or something from one's life.

The idiom "not give somebody or something house room" is thought to have originated in the 16th century. It is believed to be a reference to the fact that people are often reluctant to allow strangers into their homes. This idiom is used to describe a strong aversion or refusal to accept or tolerate someone or something. It suggests a complete lack of interest, support, or willingness to engage with the person or idea in question.