您要查找的是不是：
- He has been writing to us off and on for several years. 他断断续续地给我们写信已经有好几年了。
- He has flung away a fine opportunity. 他已经丧失了一个好机会。
- He has cast us off, he has forsaken us. 他丢开,丢开我们了。
- He has flung up a good chance to get the job. 他已经失掉了得到这份工作的机会。
- In a fit of rage, he had flung Paul's violin out of the window. 他一怒之下把保罗的小提琴摔到窗外。
- He has flung down a challenge to his political rivals. 他已向其政敌提出挑战。
- He had flung himself into the project body and soul. 他全身心地投入到这项工程之中。
- He had flung a leg of lamb at some indelicate disturbing tutor. 他曾经在那儿把一只羊腿扔到一个粗鄙惹人的导师的身上。
- In a fit of rage,he had flung Paul's violin out of the window. 他一怒之下把保罗的小提琴摔到窗外。
- He had flung away his hat in the thicket, a few paces distant. 他的帽子落在几步外的乱草中。
- He promised to go with us, but he has since begged off. 他本来答应跟我们同往，但后来一直借故推辞了。
- He has a huge overdraft to pay off. 他有一大笔透支要偿还。
- He has a genuine desire to help us. 他真心诚意地愿意帮助我们。
- He has been off the committee for months. 他离开委员会已有好几个月了。
- He has gradually cooled off her now. 他现在已逐渐对她冷淡了。
- I believe he has started reading up anthropology. 我相信他已开始攻读人类学。
- He has a yen to be alone in a boat. 他渴望独自待在一条船上。
- He has least money of all of us. 我们之中他钱最少。
- He has married off all his daughters. 他把女儿都嫁出去了。
- He has just turned professional. 他刚转为专业人员。
