owing to . because of由于
Owing to your assistance，he finished the job in only two hours．由于你的帮助，他仅用两小时就把活干完了。
The steady rise in the quality of our products owes much to the improvement of our equipment．我们产品质量的稳步提高在很大程度上是由于设备有所改进。
I owe my present accomplishment to your timely assistance．我现在的成就多亏你的及时帮助。
own up . take the blame；admit one's guilt 坦白；爽快地承认
The headmaster promised not to punish whoever broke the window if he owned up．校长保证说只要承认打破窗户就不受到惩罚。
He finally owned up to having told the lie．他最后承认自己说了谎。
P
pace off . pace out . measure by paces or strides步测
If you want to know how far it is from the school to the post office，just pace it off．如果想知道从学校到邮局的距离，你步测一下就行了。
The engineer asked his assistant to pace out forty metres．工程师叫助手用脚步测出四十米来。
pack away . store something ，as in a box存放（在盒子里等）
I'll try to find that old book，for it is been packed away for years．我要设法找到那本旧书，因为它存放在箱子里多年了。
Pack away your books，children．It is time for break．孩子们，把书收起来，课间休息时间到了。
pack in . stop停止；放弃
That noise is awful．Pack it in immediately！那嘈杂声太可怕了，赶快住手！
Why don't you pack it in? 你为什么还不停止?
She didn't like her job at all and was thinking of packing it in．她一点也不喜欢她的工作，正打算辞掉呢。
pack in . push in把…塞入
They packed the people in as tightly as they could．他们尽量把人们推挤进去。
He packed all his clothes in after much trouble．他费好大劲才把所有衣服塞了进去。
pack in . attract large audiences to a theatre，concert，吸引大批（听众或观众）
The new pop group is really packing in the teenagers．新的流行乐队确实吸引了大量的青少年。
The singer packed the crowds in．歌唱家吸引了大批听众。
pack off . send away；dismiss abruptly送走；突然解除
She always packs the children off to bed at about nine．她总是在九时左右打发孩子们上床睡觉。
She packed him off with a bottle of lemonade．她给了他一瓶柠檬，把他打发走了。
pack up . bundle包装；捆扎
Have you packed up your things? 你的东西装好了没有?
pack up . get ready for a journey整理行装；准备出发
We must pack up and get ready to start．我们得整装待发了。
Let's pack up and spend a week in the countryside．咱们收拾东西到乡下去玩一个星期吧。
pack up . stop or abandon an activity停止工作
If you haven't learned how to drive after ten years， you may as well pack up．要是你十年后还不知道如何开车，那最好别开了。
We had worked hard all day，so at four we decided to pack up．我们苦干了一整天，所以下午四点钟就决定收工了。
pack up . cease to function（机器等）出故障
We had only just got the car out of the garage when the engine packed up．我们刚把车开出车库，引擎就出故障了。
My watch has just packed up．我的表刚停。
pack up . be dismissed被解雇
Helen was told by her boss to pack up．老板告诉海伦她被解雇了。
pad out . fill out with extra material用额外的材料充填
The tailor padded out the shoulders of the coat．裁缝给这上衣做垫肩。
pad out . make a sentence， story，longer by adding unnecessary detail用不必要的材料拉长；添凑
Her letter to her aunt was not long enough，so she padded it out with information about the weather．她给她姨妈的信不长，她又添加了些有关天气的内容。
My advice is not to pad out your story with irrelevant details．我的意见是别用不相干的细节来拉长你的故事。
paddle one's own canoe . work without help； earn one's own living独立自主；依靠自己
After his father died，he had to paddle his own canoe．他父亲死后，他只好自己谋生。
Don't worry about your son． He's old enough to paddle his own canoe．不要为你儿子担心，他已到了足以自力的年龄了。
paint in . add something to a picture by painting 加画；添画
He painted in a house to add some human interest．他添了一座房子以增加这幅画的人情味。
The standing figure on the right was painted in after the rest of the picture was completed．右边那个站立的人像，是在图画的其它部分画完以后加上的。
paint out . cover something by putting paint over it 用漆覆盖；涂掉
They painted out the old name of the street before they put in the new one．在刷上新的路名前他们先把旧路名涂掉。
Parts of old painting which appear unpleasing to later artists are sometimes painted out．古画中某些为后世艺术家所不喜欢的部分，有时就被涂掉了。
paint the town red . go out to drink and have a good time狂欢；痛饮
He's painting the town red in celebration of his good luck at the track．他为庆祝自己在田径场上的好运气而狂欢痛饮。
It was the sailors'first night ashore；they painted the town red．那是水手们上岸的第一夜，他们酗酒狂欢。