'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.

Now a certain man found Joseph, and saw that he was wandering around and had lost his way in the field; so the man asked him, “What are you looking for?”

Reuben said to them, “Do not shed his blood, but [instead] throw him [alive] into the pit that is here in the wilderness, and do not lay a hand on him [to kill him]”—[he said this so] that he could rescue him from them and return him [safely] to his father.