我刚想起如何解答这个问题.The solution of the problem has just come to me.我无法解答怎么做它.I can't work out how to do it.老师不能解答这个哲学问题.The teacher couldn't answer the philosophical problem....
我被开除后，就拿了这些钥匙作为纪念。When I got canned, I took these keys as souvenirs.他是不是拿过车钥匙，开着她的车子玩儿？Had he taken the keys and played around with her car?钥匙放在抽屉里面左边一角。The keys are in the back left-hand corner of the drawer....