Pronunciation: [kˈiːp ˈɑːmz lˈɛŋθ] (IPA) 
The phrase "keep arms length" is typically spelled with two words, "arms length". The "a" in "arms" is pronounced as "ah" (IPA: ɑː), the "r" is pronounced as a slight flap or tap sound (IPA: ɹ
To keep someone or something at arm's length means to maintain a certain distance, both physically and emotionally, in order to protect oneself from potential harm or unwanted involvement. This phrase is often associated with maintaining a cautious or slightly aloof attitude towards someone or a situation, thereby avoiding close or intimate interactions.
The term "keeping someone at arm's length" originates from the literal act of stretching out one's arm to create a physical separation between oneself and another person or object. By doing so, individuals establish a safe distance or barrier to prevent any potential harm or intrusion into their personal space.
Metaphorically, "keeping someone or something at arm's length" implies maintaining a sense of detachment, both physically and emotionally. This could refer to not getting too close or involved with another person's personal affairs or refraining from sharing intimate details about one's own life. People may choose to do this in order to protect themselves, maintain privacy, or prevent unnecessary complications.
In summary, to keep someone or something at arm's length denotes keeping a safe and comfortable distance to protect oneself from potential harm or intrusion. This practice ensures maintaining a certain level of privacy, detachment, or caution in personal interactions or relationships.
