n. 门外汉,外行人 ≠ expert
n. 非神职信徒,平信徒,普通信徒
to explain sth in layman's terms 用通俗易懂的语言解释
If you don’t understand what the doctor says, ask to have it explained in layman’s terms. 如果你听不懂医生的话,就请他用通俗易懂的语言来解释一下。
BrE /əˌbriːviˈeɪʃn/