left a thing undone

• v. 搁着不做

left a thing undone的用法和样例：

例句

用作动词 (v.)

1. Don't leave such an important thing undone.
   不要把这么重要的事情搁着不做。
2. It's a pity to see so many ships lying idle.
   这么多船只搁着不用，真是一件憾事。