reticence

例句：

1. 3.
   在法律或道德上
2. 1.He was so reticent about sharing his thoughts that no one could guess what he really meant.
   他对于分享自己的想法非常谨慎，以至于没人能猜到他真正的意思。
3. 2.She hesitated before answering the question, showing a great degree of reticence.
   她犹豫了一下才回答那个问题，显示出了极大的谨慎。
4. 3. The lawyer was cautious in his advice, showing reticence when discussing sensitive topics.
   律师在提出建议时非常谨慎，当讨论敏感话题时表现出了沉默寡言。