v.使降低；使降级
n.下坡路
You can't downgrade the litte boy. 你不可小看那个小男孩。
He tried to downgrade the latest research findings. 他极力贬低这个最新研究成果。
She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
用作名词 (n.)It is difficult to drive down a steep downgrade. 很难从陡峭的坡度把车子开下去。
The store's business has been on the downgrade for the past few years. 最近几年这家商店的生意每况愈下。
