be shy on

• 缺少； 不足

be shy on的用法和样例：

例句

1. Lack of sleep can be hard on the system.
   缺少睡眠对你的身体系统有害。
2. It will not be much of fun without you.
   缺少你没有趣。
3. Capital is lacking to carry on the project.
   资金不足，无法将这项工程进行下去。
4. But it leaves much to be desired.
   但是它留下了很多不足。