a.
- 失眠的；不眠的；醒著的I've spent many sleepless nights worrying about it.
我已度過了許多不眠之夜，為此事擔心。
- 警覺的；戒備不懈的
- 永不停息的
衍生
ad.
sleeplessly
n. [U]
sleeplessness
辨析
同義參見:
cautious
sleepless
KK:[ˈsliplɪs] DJ:[ˈsliːplis]