descend /dɪˈsend/ ► SEE ALLbe descended from sb/sthdescend into sthdescend on sb/sthdescend to sth●be desˈcended from sb/sthto be related to sb who lived a long time ago是…的后裔◆He claimed he was descended from the Vikings. 他声称自己是维京人的后代。OBJancestors, line, family[be + v + prep]●desˈcend into sthto get into a very bad condition or state陷入（糟糕的境地）◆The situation has descended into total chaos. 局面变得一片混乱。◆There were fears that the country was descending into turmoil or even civil war. 人们担心国家会逐渐陷入动乱，甚至会爆发内战。[v + prep]●desˈcend on sb/sth ( desˈcend upon sb/sthmore formal) 1.to arrive somewhere, especially suddenly and unexpectedly and in large numbers突然涌到；大批到达◆Dozens of police descended on the building. 数十名警察突然进入这座大楼。◆ (humorous) My sister and her family are descending on us this weekend. 我妹妹一家这个周末要到我家来。2.to go towards sb/sth as if you are going to attack them/it逼近◆The mosquitoes descended on us as soon as night fell. 天一黑，蚊子就扑向我们。◆A large woman in a hat was descending on them. 一个戴帽子的高大女人向他们冲过来。[v + prep]●desˈcend to sthto do or say sth that makes people lose their respect for you降低身份去做；竟做出；堕落到…地步◆If you insult him back, you descend to his level. 你要是反过去侮辱他，就是跟他一般见识了。SYNstoop to sth, stoop to doing sth[v + prep]