expressionless

形容词 expressionless:

1. deliberately impassive in manner
   同义词：deadpan, impassive, poker-faced, unexpressive

1. His recitation was almost expressionless.
   他的朗诵几乎毫无感情。
2. Her face remained expressionless.
   她的脸上仍然没有表情。

ex.pres.sion.less

adj.（形容词）
Lacking expression:
呆板的：无表情的：
例句：
Their faces remained expressionless as they listened to the bad news.
听到那坏消息时，他们的脸上仍然毫无表情