当心指注意，留心。如：此刻你在军队里，怕就没有人这么当心你了吧。那么你知道当心英语怎么说吗?下面来学习一下吧。
当心英语说法1：
take care
当心英语说法2：
be careful
当心的英语例句：
当心别丢下东西。
Take care not to leave anything behind.
走那几段楼梯要当心!
Careful on those stairs!
当心!这条马路交通很繁忙。
Watch out! this is a very busy road.
当心别伤了她的感情。
Be careful not to/that you don't hurt her feelings.
当心别喝多了。
Take care (that) you don't drink too much/not to drink too much.
有人奉承你时，一定要当心。
Be on guard when somebody flatters you.
当心，那椅子有些不稳。
Be careful of that chair; it's a bit rocky.
你在过马路时，要当心那些横冲直撞的司机。
Look out for reckless drivers whenever you cross the street.
那把斧子很锋利, 你要当心。
Be careful with that sharp axe.
这些人得到警告说要当心扒手。
The group are warned to look out for pickpockets.
当心别踩了庄稼。
Be careful not to step on the crops.
燃放烟火时一定要当心。
Be careful when you set off fireworks.
我们被告知要当心老鼠。
We are warned to be careful of the rats.
购买部分磨损轮胎时要格外当心。
Extreme caution should be exercised when buying part-worn tyres.
把手伸进锅里时当心你的手指头。
Watch your fingers as you dip into the pot.
提醒驾车人要当心路滑。
Motorists were warned to beware of slippery conditions.
驾驶员接到提醒当心道路湿滑。
Motorists were warned to beware of slippery conditions.
当开发人员组合新的Web服务时，他们应该当心不要导致新的冗余。
When developers compose the new web service, they should take care it does not result in new redundancy.
而如果想在亚马逊上购买畅销书《思考，或快或慢》(Thinking，Fast and Slow)，点击时可要当心了。
And if you want to buy bestseller thinking, fast and slow on Amazon, be careful where you click.