'Trying' in the Bible

They struck the men who were at the doorway of the house with blindness, both small and great, so that they wearied themselves trying to find the doorway.

For all of them were trying to frighten us, thinking, “They will become discouraged with the work and it will not be done.” But now, O God, strengthen my hands.

Remember, O my God, Tobiah and Sanballat according to these works of theirs, and also Noadiah the prophetess and the rest of the prophets who were trying to frighten me.

For the redemption of his soul is costly,And he should cease trying forever—

Then the commissioners and satraps began trying to find a ground of accusation against Daniel in regard to government affairs; but they could find no ground of accusation or evidence of corruption, inasmuch as he was faithful, and no negligence or corruption was to be found in him.