勝負

1. Origins, structure, and basic meaning

• Structure: 勝負 is read as しょうぶ and refers to a contest or match with a winner and loser, as well as the act of competing.
• Basic usage: It is a noun when the outcome is decided and appears as 勝負する when people compete to determine who performs better.

2. Common pitfalls and similar expressions

• When the outcome is decided
  • 勝負が決まる means that a point or moment may determine the result of the match. Example: 次の一点で勝負が決まるかもしれません。
• Competing with someone
  • どちらが速いか勝負する means to compete over which person can do something faster. Example: 友人とどちらが速く解けるか勝負しました。