A-8:a man of his word 守信的人
A: If he promised to help you,I'm sure he will help.He's a man of his word.
A: 如果他答应帮你了,他肯定会帮忙的,他是个守信的人。
B: You said it.I always count on him when I need his help.
B:你说对了,我一定能指望上他。
A: Last year he helped me out of trouble,too.
A:去年他也帮了我很大的忙。