降参

1. Origins, structure, and basic meaning

• Structure: 降参 is read こうさん.
• Basic usage: It denotes surrendering or giving up after recognizing that one cannot win or solve something.

2. Common pitfalls and similar expressions

• Giving up
  • ついに降参した means finally giving up after repeated attempts.
• Declaring surrender
  • 降参だと言った means saying that one gives up on the riddle.