膝盖: knee, (Internet slang) to kneel down (in admiration)...
家境: family financial situation, family circumstances...
长大: to grow up...
张扬: to display ostentatiously, to bring out into the open, to make public, to spread around, flamboyant, brash...
开夜车: to burn the midnight oil, to work late into the night...
人家: other people, sb else, he, she or they, I, me (referring to oneself as one or people)...
高科技: high tech, high technology...
丝: a thread (of cloud, smoke etc), a bit, an iota, a hint (of sth) etc...
