形容詞 expressionless:

1. deliberately impassive in manner
   同義詞：deadpan, impassive, poker-faced, unexpressive

1. His recitation was almost expressionless.
   他的朗誦幾乎毫無感情。
2. Her face remained expressionless.
   她的臉上仍然沒有表情。

ex.pres.sion.less

adj.（形容詞）
Lacking expression:
呆板的：無表情的：
例句：
Their faces remained expressionless as they listened to the bad news.
聽到那壞消息時，他們的臉上仍然毫無表情