to back up
[phrase form: back]
01
支持, 支援
to support someone or something
Transitive: to back up sb/sth
例子
The loyal fans always back up their favorite sports team.
忠实的粉丝总是支持他们最喜欢的运动队。
The coach consistently backs up his players, fostering team spirit.
教练一贯支持他的球员，培养团队精神。
02
倒车, 后退
to move or drive something backward
Transitive
例子
She backed up the car into the parking space.
她把车倒进了停车位。
He backed up the truck to unload the cargo.
他倒车卡车以卸货。
03
备份, 制作备份
to make a copy of computer digital data
Transitive: to back up digital data
例子
I 'll back up my important documents before the software update.
The IT team needs to back the entire database up regularly.
04
支持, 确认
to confirm that something is true or valid
Transitive: to back up a claim or statement
例子
She backed up her argument with compelling evidence.
她用令人信服的证据支持了她的论点。
Let's back these claims up with concrete examples.
让我们用具体的例子来支持这些说法。
05
排队, 堵车
to wait in a long line of cars, unable to move because the road is crowded
Intransitive
例子
The city center was a mess, with cars backing up for miles because of the parade.
由于游行，市中心一片混乱，汽车排起了长队，绵延数英里。
Heavy rain led to streets flooding, and traffic started backing up in various areas.
大雨导致街道积水，交通开始在各个地区堵塞。
例子
The vehicle cautiously backed up to reposition itself in the tight parking spot.
车辆小心翼翼地倒车，以便在狭窄的停车位上重新定位自己。
In the narrow alley, the delivery truck had to back up to find an alternative route.
在狭窄的小巷里，送货卡车不得不倒车以寻找替代路线。
07
后退, 撤销
to reverse or undo one's actions or decisions
Intransitive
例子
I had to back up and apologize after realizing my mistake.
意识到自己的错误后，我不得不后退并道歉。
They chose to back up and remove the controversial statement from the press release.
他们选择撤回并从新闻稿中删除有争议的声明。
08
重新考虑, 重新评估
to reconsider or rethink one's previous thoughts or decisions
Intransitive
例子
After hearing new information, I decided to back up and rethink my choice.
听到新信息后，我决定退一步，重新考虑我的选择。
He had to back up and reconsider his opinion after the discussion.
讨论后他不得不退一步重新考虑他的观点。
