allow的三種用法詳解：1. allow（ doing）sth允許（做）某事The facts allow no other explanation.事實不允許有其他的解釋。We don 't allow eating in the classrooms.（我們）不允許在教室吃飯注：有時用于被動語態(tài)。如Dogs are not allowed.狗不得入內Smoking is not allowed here.此處不準吸煙2.a1 low sb to do sth允許某人做某事My parents don't allow me to go out at night.我父母不允許我晚上出去Her boss doesn't allow her to use the telephone.她的老板不允許她使用電話注：有時用于被動語態(tài)。如Passengers are not allowed to smoke.乘客不準吸煙。3. allow sb sth給予某人某物（尤指錢或時間）：讓某人有（擁用或帶有）某物He allows his son too much money.他給他兒子的錢太多We'll allow you time to answer.我們將給回答的時間I will allow you10% off the price if you pay now.如果你現在付款，我可以給你打九折