查询结果:

adj. [表语]睡着的;静止状态的;(四肢)麻木的  

拆分: a-加强意义 + sleep睡眠 

例: 
He is asleep. 她睡着了。 
I fell asleep almost immediately. 我几乎立刻就睡着了。 
The army attacked at night when the enemy was asleep. 在夜间敌人熟睡时军队发起了攻击。 
The sea is asleep. 海上风平浪静。 
My foot is asleep. 我的脚麻木了。