fall off
vi. 跌落, 下降, （船只）偏离船头指向的顺风的位置
例句与用法：
It used to be my favourite restaurant but the standard of cooking has fallen off recently.
那是我以前最喜欢的饭馆，但近来烹饪水平已大不如前了。
Be careful not to fall off the ladder.
当心别从梯子上掉下来。
One slip and you could fall off the cliff.
脚下一滑就可能从悬崖上跌下去。
1. (数量)减少
Enrollment has fallen off this year.
今年入学人数减少了。
2. (势力、地位等)降低
3. 脱离
fall offfall off1.■跌落, 滚落下When you are learning to ride a bicycle, you often fall off.初学骑自行车时, 常会从车上掉下来。2.■突然降低; 向下斜The land falls off here towards the river.这儿的地势朝河的方向低了下去。3.■减少The number of passengers by this line fell off slightly in January.一月份这条航线的乘客数量略有减少。4.■变坏; 恶化The cooking fell off remarkably.烹饪质量大大降低。5.■逐渐消失, 死亡Words fall off by disuse.词不用就会成为废词。This old custom has fallen off here.这一旧风俗在此地已经废弃了。6.■不再支持; 叛离His friends fell off one by one.他的朋友一个一个地跟他疏远了。7.■变瘦; (健康、精力等)衰退He took care to keep the cattle from falling off.他精心照料着牛群, 不使它们瘦下来。
fall off1.■减少，缩小；变轻；降低，减退：Orders have been falling off lately;we must advertise more.近来订货减少，我们必须加大广告力度。Interest in the game has fallen off.人们对这项运动的兴趣已经降低。2.■(质量)下降，变坏；变瘦，(健康、精力等的)衰退：The quality of these goods has fallen off since last year.去年以来，这些货物的质量开始下降。3.■【航海学】(船)偏离航线，改变航向，背着风，转向下风处：The leading boat fell off when the wind grew too strong.风吹得太猛时，领头的船转向了下风。4.■从…落下，(从…)跌落(或下降)；落下；跌落：When you are learning to ride a bicycle,you often fall off.在你学骑自行车时，你常常会从车上摔下来。5.■离开，(朋友等)渐渐疏远；脱离，退出；背弃，背叛：Some of their most loyal members have now fallen off.他们一些最忠诚的会员现已经退出了。His friends fell off one by one when he was in adversity.在他身处逆境时，他的朋友一个接一个离他而去。6.■(逐渐)消失，消亡，死亡，废弃：That custom has fallen off.那个风俗已经废弃了。7.■(动物)失去对…的食欲：His horse is falling off its hey.他那匹马对干草没有胃口。8.■【军事】(飞机)侧降
见:fall: fall off