1 [I] plunge (into sth/in) to jump, drop or fall suddenly and with force 突然猛力跳进、掉落或跌进:
He ran to the river and plunged in.他跑到河边,纵身跳进河里。 (figurative 比喻)Share prices plunged overnight.股票价格一夜之间暴跌。
2 [T] plunge sth in/into sth to push sth suddenly and with force into sth (突然用力把某物)插入,刺进:
He plunged the knife into the table in anger.他一怒之下把刀插入桌子。
3 [T] to cause sb/sth to suddenly be in the state mentioned 使突然陷入(某种状态):
The country has been plunged into chaos by the floods.全国因洪水而陷入混乱之中。
4 [I] plunge into (doing) sth to start doing sth with energy and enthusiasm (劲头十足而热情洋溢地)投入(某工作):
Think carefully before you plunge into buying a house.买房子之前要三思,不要操之过急。
plunge²
/plʌndʒ ||; plʌndʒ/noun
[C] a sudden jump, drop or fall 纵身跃;猛然落下;暴跌:
I slipped and took a plunge in the river.我摔了一跤,一屁股跌进河里。the plunge in house prices房价的暴跌take the plunge to decide to do sth difficult after thinking about it for quite a long time (经过颇长时间考虑后)决定做困难的事情:
After going out together for five years, they took the plunge and got married.经过五年约会以后,他们终于决定结婚。