Certainly this is a time for reaching out into the unknown - be a little bit daring because you will most certainly be glad that you did!

当然了，这是一个伸出手去探触未知的时刻，变得大胆一点因为你会高兴你所做的事。

youdao

Since his apparent conversion to more socially liberal policies, Mr Portillo is also a bit of an unknown quantity and has yet to map out any detailed policies.

BBC: By Nick Assinder