'Unable' in the Bible

The men who were traveling with him [were terrified and] stood speechless, hearing the voice but seeing no one.

And he was unable to see for three days, and he neither ate nor drank.

Now, watch! The hand of the Lord is on you, and you will be blind, [so blind that you will be] unable to see the sun for a time.” Immediately a mist and darkness fell upon him, and he groped around, seeking people to lead him by the hand.

and when the ship was caught in it and could not head against the wind [to gain stability], we gave up and [letting her drift] were driven along.