jacksthup
—phrasal verbwithjackverbuk/dʒæk/us/dʒæk/
(LIFT)
toraiseaheavyobjectsuch as acaroff thegroundwith ajack
用起重器顶起，用千斤顶托起
(INCREASE)
informaldisapproving
toincreasethepriceof somethingsuddenlyand by alargeamount
（突然大幅地）提高（价格）
Once thetouristsarrive, therestaurantsjackuptheirprices.游客一到，餐馆就大幅提价。