know-all

例句：

1. 1. He is known for his expertise in the field of technology.
   他因在技术领域的专长而闻名。
2. 2.The scientist knows-all about the latest advancements in medicine.
   这位科学家对医学的最新进展了如指掌。
3. 3.She's a know-all when it comes to local customs and traditions.
   她对当地的习俗和传统了如指掌。