It would have been inconceivably dangerous even if he had known how to set about doing it.

这种事，哪怕他知道如何着手，也危险得不可思议。

youdao

It would have been inconceivably dangerous even if he had known how to set about doing it.

这种事，哪怕他知道如何着手，也危险得不可思议。

youdao