staidness

例句：

1. 1.She was staid in her opinions and refused to change them.
   她固执己见，拒绝改变。
2. 2.The old man's staidness made it difficult for him to adapt to the new environment.
   老人的固执使得他难以适应新环境。
3. 3.He had a staidness that made him unwilling to compromise on his beliefs.
   他的固执使他不愿意在信仰上妥协。