1.throw away抛弃;浪费
2.throw off扔掉,摆脱掉;匆匆脱掉衣服
3.throw up举起,抛起;吐出,呕吐
4.in public 公开地, 当众
5.on purpose(=by intention, deliberately)故意
6.to the purpose (=useful for one's purpose)得要领的, 中肯的
7.be qualified in 在某种科目或学科上合格 be qualified for 在某种职业上合格
8.call…in question 对…表示怀疑