Lingo
on the line
used when someone or something is subjected to a serious threat or danger
The idiom "on the line" originated from sports, particularly in tennis, where a ball is deemed "in" if it lands on the court boundary lines. Over time, it has evolved into a broader idiom, signifying a situation where something important or at stake is under consideration, decision, or risk. It is often used to describe circumstances where there is potential for consequences, commitments, or outcomes to be determined.
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