1. You must be careful crossing the road.
   你过马路一定要当心。
2. Be careful not to capsize the boat.
   小心不要把船弄翻。
3. He yelled at her to be careful.
   他大声叫她注意。
4. Be careful when you're crossing the road.
   过马路时要当心。
5. Be careful not to fall off the ladder.
   当心别从梯子上掉下来。
6. Connect this to the soket but be careful .
   把这个接到插座上，要当心。
7. Be careful lest you fall from that tree.
   要当心, 以免从树上摔下来。
8. He should be careful not to overvalue himself.
   他应该警惕不要过高估计自己。
9. They were careful not to offend his nibs.
   他们小心翼翼, 不敢冒犯这位大人。
10. Be careful. One of your tyres is down.
    小心,你的车胎有一只快没气了。
11. Carjacking is a serious crime. Be careful when driving.
    劫车是很严重的犯罪行为。开车时要小心点。
12. Be careful not to get eaten up with pride.
    注意, 不要骄傲自满。
13. Be careful lest you (should) fall from the tree.
    小心, 不要从树上掉下来。
14. Be careful! That man is driving like a maniac!
    注意！那个人开车像个疯子一样！
15. Be careful! A short circuit will blow out the fuse.
    小心!短路会烧坏保险丝的。
16. The captain is careful for the safety of the passengers.
    船长关注旅客们的安全。
17. Be careful not to be beaten up by the enemy.
    当心别遭敌人暗算。
18. Be careful,new york is full of slick flimflam men.
    小心,纽约市到处充满狡猾诡诈之人。
19. Be careful. Those grasping taxi-drivers might charge you too much.
    "小心点,那些贪婪的出租汽车司机会向你漫天要价的。"
20. Be careful of Brian—he’s got a roving eye.
    小心布赖恩—他总是贼眼熘熘的。

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