茫的英文怎么说

茫的英文：
vague
vast

• To be utterly ignorant of the affair
  茫不知情
• Van de Graaff generators are the current workhorse of nuclear stucture research.
  茫德格喇夫加速器是研究原子结构的通用工具。
• The wide grey eyes, almost vacant yet so moving, held him beyond himself.
  她那双大眼睛茫然而动人，他不由自主地被吸引住了。

• You should not make vague promises.
  你不该作含糊不清的承诺。
• His thought was too vague to be described.
  他的思路混混沌沌，难以理清。
• Everything looked vague in the heavy fog.
  在浓雾中，一切东西看上去都很模糊。

• A vast crowd impacted the square.
  广场上挤集了一大群人。
• That that vast barren area is inhabited.
  那片广阔的荒芜地区有一些人类在居住。
• Vast distances boggle the mind.
  距离之大，不可思议。