knock up

phr

• ① 向上击打
  • Knock his arm up!往上打他的胳臂!

• ② 敲门叫醒
  • Please knock me up at 7:30.请在七点半(敲门)唤醒我。

• ③ 匆匆做成[造成]
  • They were knocking up office buildings all over the city.他们在城里到处赶建办公大楼。

• ④ 【口】(使)筋疲力竭
  • The long journey knocked us up.那次长途旅行使我们筋疲力竭。

• ⑤ 【板球】【英口】击入(分数)