[cháng piān dà lùn]
a long and minute statement; long-windedness; lengthy speech or article; heaps of words; long-winded speech; long-drown-out article; longwinded tirade; dull and lengthy speech; harangue; lengthy speech or piece in writing; discourse eloquently on subject
Be sure to make it clear and concise and avoid long-windedness.
注意简明扼要， 反对长篇大论。