短语：
be interested in 对.感兴趣
be used to doing sth.习惯做某事
take a risk 或take risks 冒险
do dangerous sports做危险的运动
because of因为
run out (of) 花光；耗尽
have to do sth.不得不做某事
be ready to do sth.准备做某事
cut off 切断
seem to似乎
make good decisions 做出正确决定
keep on doing sth.坚持做某事