'Troubled' in the Bible

and Zacharias, having seen, was troubled, and fear fell on him;

and she, having seen, was troubled at his word, and was reasoning of what kind this salutation may be.

And Jesus was going on with them, and now when he is not far distant from the house the centurion sent unto him friends, saying to him, 'Sir, be not troubled, for I am not worthy that under my roof thou mayest enter;

And he said to them, 'Why are ye troubled? and wherefore do reasonings come up in your hearts?