expressionless
adj.无表情的
网络解释.无表情的；无表情；毫无表情；不寻常的
adj.1.缺乏表情的,呆板的释义下的同义词
blank vacant deadpan wooden apathetic vacuous empty poker-faced unimaginative stony
2.难懂的释义下的同义词
incomprehensible inscrutable unreadable hidden mysterious
双语例句
1. 1 . His face was expressionless, but Alex felt the unspoken criticism.
他面无表情，但亚历克斯能感觉到他未明言的批评之意。
来自柯林斯例句