make a speech; take the floor; 发言
a slip of the tongue; 失言
a poem with five characters to a line; 五言诗
It is a book of nearly 200,000 words. 全书近20万言。
Yan Youxu 言友恂
state explicitly; clearly stipulate; 言明
say all you know and say it without reserve; 知无不言,言无不尽
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)