降級
downgrade; lower the rank of; demote;relegate（尤指參賽隊因聯(lián)賽成績不佳而被降級）
她被～為助手。She was relegated to the role of assistant./他們雖然連輸了3場比賽，但至少目前來看尚不至于落到～的邊緣。They’ve lost three matches in a row,but at least they are not likely to be relegated./今年他們正瀕于～的邊緣。They are nearing relegation this year./學(xué)生～send a student to a lower grade/把恐怖威脅的警告從“最危急”～至 “嚴重”downgrade (or lower down)the terror alert from “critical”to “severe”/～處分punish by demotion;impose a demotion penalty