同意是be reasonable.这句最接近我们说的“讲讲道理”了。如果是叙述语气的“讲道理”，我觉得直接用giving a speech就成= =
be reasonable用法："请你讲道理好吗？“这句话翻成英文就是Please be reasonable.
reason或者reason things out
reason with sb
bring out the facts and reasons呵呵
