一无所获

tā zài nà běn shū li zhǎo le hěn jiǔ dàn yī wú suǒ huò

他在那本书里找了很久，但一无所获。

He searched in that book for a long time but drew a blank.

bù duì zài sēn lín li sōu le tiān yī wú suǒ huò

部队在森林里搜了20天，一无所获。

The troops had searched the forest for twenty days without finding a single clue.

mù qián yōu líng liè rén yī wú suǒ huò

目前，幽灵猎人一无所获。

The ghost hunters have so far found nothing.

wǒ yī zhí zhuī wèn tā nà ge wèn tí dàn shì yī wú suǒ huò

我一直追问她那个问题，但是一无所获。

I kept asking her the same question, but I was getting nowhere fast.