from lack of的用法和樣例：
例句
- His eyes were bloodshot from lack of sleep.
他因缺少睡眠而兩眼通紅。 - The flower languished from lack of water.
花因缺水而枯萎。 - She died from lack of oxygen.
她因缺氧而死。 - I cannot play the piano like I used to---my fingers have gone stiff from lack of practice.
我彈鋼琴不如從前，我的手指由於缺乏練習都不靈活了。 - She is suffering from lack of appetite.
她食欲不振。 - She broke down from lack of rest.
她因缺乏休息而衰弱。 - She is weak from lack of sustenance.
她因缺乏營養而虛弱。
