enlighten
/ɪnˈlaɪtn; ɪn`laɪtn/ v[Tn, Tn.pr]
~ sb (as to sth) give more knowledge or information to sb; free sb from false beliefs or ignorance 启发、 启迪、 教导或开导某人
Can you enlighten me as to (ie help me to understand better) the new procedure? 你能给我讲讲这新程序吗?