fail to的用法和樣例：
例句
- They failed to find any trace of the runaways.
他們未能找到逃跑者的任何蹤跡。 - I have failed to reach them by postal inquiries.
我未能通過(guò)郵政查詢(xún)與他們取得聯(lián)系。
詞匯搭配
- fail to see the wood for the trees 見(jiàn)樹(shù)不見(jiàn)林
- fail to see wood for the trees cannot see...
