As a child he had thought he could fly, if he willed it enough.

　　他小時(shí)候曾經(jīng)以為，只要有足夠決心，想要飛就能飛起來(lái)。

　　How time flies! I've got to go now.

　　時(shí)間過(guò)得真快！現(xiàn)在我得走了。

　　It remains to be seen whether his project will fly.

　　他的計(jì)劃能否成功尚需拭目以待。

　　Is this the first time that you've flown?

　　這是你第一次乘飛機(jī)嗎？

　　The plane was flying in cloud most of the way.

　　飛機(jī)一路大多在云層里飛行。