1. When street gangs substitute for families and schoolyard insults end in knife attacks,
    当街头团伙取代了家庭环境，当校园辱骂导致了械斗，

2. I thought he was making fun of me and ran faster than ever reaching the schoolyard quite out of breath.
    我以为他在取笑我, 就越发跑得快起来, 到达学校时我都上气不接下气了.

3. I thought he was making fun of me and ran faster than ever, reaching the schoolyard quite out of breath.
    我以为他是同我开玩笑，便跑得更快了。到学校的时候，已经上气不接下气了。