an introduction to a book or a written document; an introduction to something you say 序言；导言；前言；开场白 - in a preamble
The aims of the treaty are stated in its preamble. 条约的宗旨已在序言中说明。 🔊🔊 - preamble to something
the Preamble to the US Constitution 美国宪法序言 - without preamble
She gave him the bad news without preamble. 她开门见山地把坏消息告诉了他。 🔊🔊
Word Originlate Middle English: from Old French preambule, from medieval Latin praeambulum, from late Latin praeambulus ‘going before’.- in a preamble