前途: prospects, future outlook, journey...
数学: mathematics, mathematical...
不肯: not willing to...
礼物: gift, present...
嗨: oh alas, hey!, hi! (loanword), a high (natural or drug-induced) (loanword)...
立体: three-dimensional, solid, stereoscopic...
由此: hereby, from this...
掉头: to turn one's head, to turn round, to turn about...
受惊: startled...
看重: to regard as important, to care about...
