求翻译：比尔同学过去常常和别人打架，现在他与别人相处的很融洽；他过去常常乱扔废纸不爱卫生，现在他变得爱护环境；他过去沉迷于游戏，现在他响应班级号召积极参加各种活动。他真是变了！是什么意思？

Bill often fight with others students in the past, and now he get along very harmoniously with others; he used to throw waste paper does not love health care for the environment and now he has become; he used to indulge in the game, and now he actively participated in the call to respond to a variet

Bill GATES has often students and others, and now he fights with the others; he was very harmonious coexistence of the past often throw waste paper, and now he does not love health care for the environment; he has become addicted to a game called classes, and now he had responded to actively partici

Bill schoolmate passes frequently and others fights, now he is together with others very harmoniously; He passes throws the scrap paper not to love the health frequently, now he becomes the loving care environment; He passes sinks confuses in the game, now he responds the class and grade to summon p

Bill students used to fight with others, and now he is getting along well with others; he used to throw waste paper does not love health, now he is caring for the environment; he used to be addicted to the game, with which he response classes call for active participation in various activities. He i

Bill schoolmate passes frequently and others fights, now he is together with others very harmoniously; He passes throws the scrap paper not to love the health frequently, now he becomes the loving care environment; He passes sinks confuses in the game, now he responds the class and grade to summon p