但它似乎难以奏效。

But it seems not.

youdao

到目前，甚至引渡到美国也被表明是非常的难以奏效。

So far, even the extradition has proved surprisingly tricky.

youdao

但是仍然很多人估计对于此法用于对付贫困恐怕难以奏效。

But most still reckon that it is at best a blunt instrument for fighting poverty.

youdao