sentence1: We have sent with them our brother whom we have many times proved earnest in many things, but now much more earnest, by reason of the great confidence which he has in you.
sentence2: 我们还派了另一位兄弟与他们同去，他经受住了我们的多次考验，值得信赖，也非常希望提供帮助。现在他对你们更有信心，因此也更热切地希望提供帮助。