It takes several weeks of off-and-on practice to master the various knife techniques, but once learned they are never forgotten.
你要花上数周的时间不时地练习练习才能掌握各种刀法技巧，但一旦学会就再也不会忘记了。
The pursuit of a genuine variety of opinions that are well thought through and well grounded is essential. But that has an off-and-on, hit-or-miss connection with ethnic and racial diversity.
“对于我和很多学者来说，真正有意义的多元化是课堂上思维的多元化，”他说，“对于经过仔细推敲、有充分依据、真正多样化的见解的追求才是最根本的，那跟民族和种族的多元化并没有什么必然的联系。”
Greed on the part of owners and athletes turns fans off completely.
球队老板和运动员的贪婪使球迷们对其完全失去了兴趣。
She stretched out on the sofa and kicked off her shoes.
她在沙发上伸了个懒腰然后踢掉鞋子。
He took off his sweater, rolled it into a pillow, and lay down on the grass.
他脱下毛衣，卷成一个枕头，然后在草地上躺了下来。
Summer is a time to relax, regroup and catch up on all those things you've been putting off all year.
夏天是休养整顿、并处理一年中积压事务的时候。
She stood on the deck and waved her hand to them as the steamer moved off.
汽船驶离时，她站在甲板上和他们挥手。
There was some fatal flaw in his makeup, and as time went on he lapsed into long silences or became off-hand.
他性格中有某种致命的缺陷，随着时间的推移，他要么陷入长时间沉默要么行为随便。
He jumped on his bike and pedalled off.
他跳上自行车就骑走了。
The company is selling off some sites and concentrating on cutting debts.
该公司正在变卖一些地皮，全力削减债务。
He turned his back on them and stomped off up the hill.
他转身不理睬他们，迈着重重的脚步走上山去。
Sam was flicking a flashlight on and off.
萨姆正啪啪不停地开关着手电筒。
Even though they called the election and had been preparing for it for some time, they got off on the wrong foot.
虽然他们召集了这次选举，也为此准备了一段时间，他们还是出师不利。
"Your mother and Martha," Mary checked them off on her fingers, "and the robin and Ben Weatherstaff."
“你妈妈和玛莎，”玛丽掰着她的手指数着，“还有知更鸟和本·威瑟斯塔夫。”
When we are through, I will shut off steam and put on brakes as hard as I can.
当我们通过的时候，我就关闭蒸汽，尽我所能地刹车。
The far-off faint crying went on and led her.
远处传来微弱的哭声，把她引了过去。
I've been involved with pubs off and on for ten years.
我从事和酒吧相关的事业加起来有十年时间了。
The movements are similar to traditional Cossack activities, for example, sword fighting and getting on and off horses.
这些动作与传统的哥萨克活动类似，如击剑和马术。
Get a hand stamp at the gate of the zoo, and you can get on and off the mini-train unlimited times on the same day.
在动物园门口盖章即可享受迷你巴士搭乘机会，当日次数不限。
The new buses are air-conditioned, comfortable and easy for elderly and disabled passengers to get on and off.
新的公共汽车装有空调，也很舒适，方便老人和残疾乘客上下车。
Rather, this is something that I have been thinking about, off and on, for some time.
相反，这是我一直在思考的，断断续续地一段时间中形成的。
Lest readers charge me with conflict of interest, I should add that, though we've stayed in touch off and on, we've never socialized.
为了避免读者指责我利益冲突，我应该补充一点，虽然我们保持着时有时无的联系，我们从来没有一起社交过。
The Jews and Arabs of Palestine have been fighting off and on for 100 years.
巴勒斯坦的犹太人和阿拉伯人已经断断续续地斗争了100年之久。
By increasing or lessening the hours of darkness in each day, the scientists have been able to turn plant growth off and on like an electric switch.
用增加和减少每天黑暗小时数的方法，科学家已经能够控制植物生长，如同控制一个电器开关。
There are plenty of resources (both off - and on-line) that will help you cross those business process Bridges when you get to them.
当你要开始的时候，有很多在线或者网下的资源可以帮助你跨过这些工商程序。
The next step was the lengthy process of turning parts of the system off and on to see what made a difference.
接下来一个漫长的过程开始了，他们把系统的各个部分逐一打开、关闭，看看前后有何区别。
Managing extensions by turning them off and on can be a major hassle, especially since it requires a restart of the browser - but there is a solution.
关闭或开启扩展可能是一个大麻烦，特别是它需要重新启动浏览器-但这里有一个解决办法。
And because the trimmer can be turned off and on with the flip of a switch, it is also more convenient than gas-fueled models: There's no temptation to idle it.
而且由于这款剪草机只需轻按按钮就能开关，因此它比汽油动力的型号用起来也更方便：你有什么理由拒绝它呢？
He was a former industrial-arts teacher whom my mother dated off and on for much of my childhood.
他以前是教工业艺术的老师，在我童年的记忆中，他和妈妈总是分分和和。
He was a former industrial-arts teacher whom my mother dated off and on for much of my childhood.
他以前是教工业艺术的老师，在我童年的记忆中，他和妈妈总是分分和和。
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