expressionless

形容词

1. 1

   面无表情的、毫无表情的

   She listened to the verdict with an expressionless face.

   她面无表情地听完了判决。

2. 2

   平板的、毫无起伏的指声音

   He answered every question in a flat, expressionless voice.

   他用平板毫无起伏的声音回答每一个问题。