to be flying an aircraft somewhere without being able to see where you are going

He admitted dazzling a police helicopter pilot with a laser beam, leaving the pilot flying blind. 他承认用一束激光对着一架警用直升飞机照射，导致驾驶员无法看清方向。

Crossing a mountain range, he found himself flying blind in a mist at 14,000 feet.

With instruments out and flying blind, she found it hard to hold the aircraft steady.

Flying blind in ferocious winds and driving snow, he'd found it hard to keep his nerve.

The weather has been terrible and at times, we've been basically flying blind.

to be doing something without having any experience of doing it before or without having important information about what you are doing

They are flying blind on this issue because they have no idea of the extent of the problem. 在这件事上他们盲目行事，因为对问题的严重程度毫无了解。

We're doing our best but honestly, we are flying blind.

Nobody had done anything like this before so they were flying blind.

We've had inadequate data on the subject so we've been basically flying blind.

The situation is unprecedented so in our response to it, with the best will in the world, we're flying blind.

See also: blind adverb