/əˈsli:p ||; əˈslip/adj (not before a noun 不用于名词前) not awake; sleeping 睡着:
The baby is fast/sound asleep. 婴儿睡得很熟。It didn't take me long to fall asleep last night. 昨晚我很快就睡着了。 Notice that you can only use asleep after the noun. Sleeping can be used before the noun. a sleeping child asleep 只用于名词之后。sleeping 则可以用于名词之前：a sleeping child 睡着的孩子 Look at the note at sleep ². 参看 sleep^2 的注释。