铁三角 (tiě sān jiǎ) — iron triangle (in politics/sociology); a stable triangular power alliance; Audio-Technica (brand of audio equipment); an inseparable trio of close friends or allies

Definition

Examples

• 这个国家的政府、军队和商界形成了一个铁三角。
  Zhè ge guó jiā de zhèng fǔ, jūn duì hé shāng jiè xíng chéng le yí gè tiě sān jiǎ.
  The government, military, and business community in this country formed an iron triangle.
• 他用铁三角的耳机听音乐，音质很好。
  Tā yòng tiě sān jiǎ de ěr jī tīng yīn yuè, yīn zhì hěn hǎo.
  He uses Audio-Technica headphones to listen to music; the sound quality is very good.
• 他们三个是最好的朋友，一个拆不散的铁三角。
  Tā men sān gè shì zuì hǎo de péng you, yí gè chāi bú sàn de tiě sān jiǎ.
  The three of them are best friends, an inseparable trio.