青筋 (qīng jīn) — blue veins (visible veins, especially when protruding)

Definition

Examples

• 他生气的时候，额头上的青筋都暴起来了。
  Tā shēng qì de shí hou, é tóu shàng de qīng jīn dōu bào qǐ lái le.
  When he gets angry, the blue veins on his forehead bulge out.
• 他手上的青筋非常明显，一看就知道经常运动。
  Tā shǒu shàng de qīng jīn fēi cháng míng xiǎn, yí kàn jiù zhī dào jīng cháng yùn dòng.
  The blue veins on his hands are very obvious; you can tell he exercises often.
• 医生轻轻按了一下他胳膊上的青筋，检查血液循环。
  Yī shēng qīng qīng àn le yí xià tā gē bo shàng de qīng jīn, jiǎn chá xuè yè xún huán.
  The doctor gently pressed the blue veins on his arm to check blood circulation.