fail to

• 未能

fail to的用法和样例：

例句

1. They failed to find any trace of the runaways.
   他们未能找到逃跑者的任何踪迹。
2. I have failed to reach them by postal inquiries.
   我未能通过邮政查询与他们取得联系。

词汇搭配

• fail to see the wood for the trees 见树不见林
• fail to see wood for the trees cannot see...