Define the following expressions: A. to think for a long time in order to understand better in a gloomy manner B、to keep sb. or sth. in a dangerous place or bad situation that they want to get out of but cannot C、on the contrary D、to be habitually inclined to do sth.. E 、 to move or to walk in a very unsteady way as one is drunk or sick or shocked F 、 the advantages of fresh air G 、 a life without vices or moral sins H 、 to jump up I 、 having strong moral principles J 、 sth. that delays or stops the progress of sth. 1 、 be given to: _____________ 2 、 if anything: _____________ 3 、 trap in : _____________ 4 、 contemplate:___________ 5 、 the clean life:___________ 6 、 the virtues of fresh air:_____________ 7 、 leap to one's feet:_______________ 8 、 reel:_____________ 9 、 impediment:____________ 10 、 high-minded:___________