To make an effort greater than is required.竭尽全力:做比所需的更大的努力
英语四级真题
If you could move faster than light, your time would move backward.
出自-2011年6月听力原文
柯林斯高阶英汉双解学习词典释义
ADJ
向后的,往后的(一些人亦使用backwards)
A backward movement or look is in the direction that your back is facing. Some people use backwards for this meaning.
例句
He unlocked the door of apartment two and disappeared inside after a backward glance at Larry...他打开2号公寓的门,回头瞥了拉里一眼,然后就进了房间。He did a backward flip.他做了一个后空翻。
ADJ
倒退的;不进反退的
If someone takes a backward step, they do something that does not change or improve their situation, but causes them to go back a stage.
例句
At a certain age, it's not viable for men to take a backward step into unskilled work...到了一定的年龄,就不可能再退回去干不需要技能的工作。Many dentists will no longer treat National Health Service patients, which is a big backward step in this country.许多牙医不再为依靠国民保健制度的病人看病,这是该国的一大倒退。
ADJ-GRADED
落后的
A backward country or society does not have modern industries and machines.
例句
We need to accelerate the pace of change in our backward country.我们应当为落后的祖国加快变革的脚步。
ADJ-GRADED
迟钝的;学习吃力的
A backward child has difficulty in learning.
例句
...research into teaching techniques to help backward children...关于帮助落后孩子的教学方法研究I was slow to walk and talk and my parents thought I was backward.我学走路和说话都很慢,所以我父母以为我很迟钝。
英英词典释义
Adjective
1. directed or facing toward the back or rear;
"a backward view"
2. (used of temperament or behavior) marked by a retiring nature;
"a backward lover"
3. retarded in intellectual development
Adverb
1. at or to or toward the back or rear;
"he moved back""tripped when he stepped backward""she looked rearward out the window of the car"
2. in a manner or order or direction the reverse of normal;
"it's easy to get the `i' and the `e' backward in words like `seize' and `siege'""the child put her jersey on backward"
3. in or to or toward a past time;
"set the clocks back an hour""never look back""lovers of the past looking fondly backward"