The phrase "call one bluff" is spelled using the IPA phonetic transcription as /kɔːl wʌn blʌf/. The word "call" is pronounced with the open-mid back rounded vowel /ɔː/ and the voiced alveolar lateral approximant /l/. "One" is pronounced with the open-mid back rounded vowel /wʌn/. "Bluff" is pronounced with the voiced bilabial fricative /bl/ and the voiceless bilabial fricative /f/. Overall, the phrase means to challenge someone's authority or challenge one's claim or statement.
The phrase "call one's bluff" is an idiomatic expression that refers to the act of challenging or exposing someone who is making a false claim or bluff. Primarily used in informal contexts, this phrase is typically employed during a situation where someone is issuing a threat or making a bold statement, but their true intentions or abilities are doubted.
To "call one's bluff" involves confronting the person in question, demanding evidence or proof of their claim, or questioning their ability to carry out their threat. This act is aimed at revealing the falseness or weakness behind their statements and challenging them to back up their words with actions or evidence.
The metaphor used in this expression alludes to the game of poker, where players may attempt to deceive their opponents by bluffing, or pretending to have a stronger hand than they actually do. In these situations, a skilled player will "call the bluff" of their opponent by challenging them to reveal their true hand or by proceeding with caution and not falling for their deceit.
Overall, "calling one's bluff" is an assertive and confrontational act that aims to expose the truth behind someone's claims or threats. It involves challenging their credibility, forcing them to back up their statements, and ultimately revealing any falsehoods or weaknesses that may be behind their bluff.