vague idea

• 模糊的思想

vague idea的用法和样例：

例句

1. His vague ideas crystallized into a definite plan.
   他那些模糊的想法变成了一个明确的计划。
2. At the back of his mind was the vague idea that he had met her before.
   他隐隐约约地觉得以前曾经见过她。