旨在: to have as its purpose, to be intended to, to aim to (do sth)...
环境: environment, circumstances, surroundings, ambient...
冷笑: to sneer, to laugh grimly, grin of dissatisfaction (bitterness, helplessness, indignation etc), bitter, grim, sarcastic or angry smile...
饭: cooked rice, (loanword) fan, devotee...
发作: to flare up, to break out...
争先恐后: striving to be first and fearing to be last (idiom); outdoing one another...
决定: to decide (to do something), to resolve, decision, certainly...
教室: classroom...
奢侈: luxurious, extravagant...
红扑扑: red, rosy, flushed...