impassive

法官在宣判时保持面无表情，显得非常冷静。

The judge kept an ___impassive face while delivering the verdict, appearing completely composed.

当这位扑克冠军将全部筹码推向桌子中央时，她依然完全面无表情。

The poker champion remained completely ___impassive as she pushed her entire stack of chips toward the center of the table.

这名年轻士兵面无表情地坐在新兵处理中心里，没有流露任何内心的焦虑。

The young soldier sat ___impassive in the recruit processing center, revealing no sign of his inner anxiety.