舌した先さき三さん分ぶ

noun

glib tongue; smooth talk; deceptive eloquence

Idiomatic expression referring to someone who talks smoothly and deceptively, using just the tip of the tongue (舌先) and a small fraction (三分) of effort to talk their way out of something or deceive others.

• 彼かれの舌した先さき三さん分ぶの言こと葉ばに騙だまされないでください。

  Don't be fooled by his glib words.

• 政せい治じ家かの舌した先さき三さん分ぶの演えん説ぜつにはうんざりだ。

  I'm fed up with politicians' smooth-talking speeches.