aback

aback的音标是[əˈbæk]，基本翻译是“向后；朝后”，速记技巧是“a”发“啊”的音，“back”的发音以“k”结尾。

英文词源：拉丁语“ab”表示“away”或“against”，加上“back”表示“后面”或“背部”。

变化形式：复数形式为“backs”，过去式为“backed”或“backed”，过去分词为“backed”或“back”。

相关单词：

1. backward - 向后，向相反方向：He walked backward until he found the exit.

2. rebound - 弹回：The basketball rebounded off the rim and landed in the net.

3. recoil - 退缩，后坐力：The gun recoiled after firing, sending the bullet forward.

4. reverse - 反转，颠倒：The traffic light turned red, reversing the flow of traffic.

5. retreat - 后退，撤退：The army retreated in order to regroup and launch a new attack.

6. abduct - 绑架，诱拐：The suspect abducted the child from the park.

7. rebuff - 拒绝，驳斥：He received a rebuff from the interviewer when he asked for a job interview.

8. recriminate - 指责，反责：The two parties began to recriminate over who was at fault in the dispute.

9. rebuffal - 拒绝，驳斥：The boss"s rebuffal of his request for a raise left him feeling disappointed.

10. retraction - 撤回，收回：He made a public retraction of his comments after realizing they were inaccurate.

常用短语：

1. back up

2. back down

3. back out

4. back up one"s words

5. back into

6. back up one"s position

7. back up one"s thoughts

例句：

1. Please back up your files before you start working on the new project.

2. She backed down from her promise to quit the job after she realized she needed the income.

3. He backed out of the race at the last minute, citing a sudden illness.

4. She always backs up her words with actions.

5. He backed into a corner and couldn"t escape.

6. She backed up her position by citing relevant statistics.

7. I"ll back up my thoughts with an example later in the discussion.

英文小作文：

The importance of backing up our decisions and actions

In today"s fast-paced world, it"s easy to get caught up in the hustle and bustle of daily life and make hasty decisions without fully considering the consequences. However, it"s essential to back up our decisions and actions with evidence and facts, just like the importance of backing up our computer files. This will ensure that we are making informed choices that are based on sound reasoning and data, rather than just assumptions or blind faith.

By backing up our decisions and actions, we can avoid regrets down the road and have peace of mind knowing that we"ve taken all necessary steps to ensure success. It"s also a great way to build confidence and trust in ourselves and others, as we can confidently explain our reasoning and evidence for our decisions and actions.

In conclusion, backing up our decisions and actions is an essential part of being a responsible and confident individual who can make sound decisions based on evidence and facts. It"s never too late to start, so take the necessary steps today to ensure a brighter and more confident tomorrow.