困倦时张口出气to yawn

身体一部分稍稍向上移动to raise a part of the body slightly

• 欠脚儿

  lift one's heels slightly

借而未还to owe

• 欠缴会费的人

  someone that owes a membership fee

• 我还欠３０元。

  I still owe 30 yuan.

• 他欠我２０元。

  He owes me 20 yuan.

• 咱们两清，谁也不欠谁。

  We're even, nobody owes each other anything.

不够to lack

• 欠冷静

  hot-headed

• 欠稳重

  lack stability

• 说话欠考虑

  speak without due consideration

• 计划欠周密

  plan that is not well thought through