收腹 (shōu fù) — to tighten one's abdominal muscles; to suck in one's stomach

뜻

예문

• 她健身的时候一直在练习收腹。
  Tā jiàn shēn de shí hou yì zhí zài liàn xí shōu fù.
  She kept practicing sucking in her stomach while working out.
• 教练让大家收腹三秒。
  Jiào liàn ràng dà jiā shōu fù sān miǎo.
  The coach told everyone to tighten their abs for three seconds.
• 他收了一次腹，然后放松了。
  Tā shōu le yí cì fù, rán hòu fàng sōng le.
  He sucked in his stomach once, then relaxed.