white lie
kind untruth；small lie善意的假话；不严重的撒谎
When I said I liked her dinner，which really was terrible，I told a white lie because I didn't want to hurt her feelings．我说我喜欢她的晚餐，其实晚餐实在是不怎么样，我言不由衷怕伤了她的心。
I told a white lie when I told him that I liked his poor painting．我告诉他我喜欢他那幅很一般的油画时，我说了假话。