Example sentences of "you must [be] [adv] careful " in BNC.

  Next page
No Sentence
1 Now if you know that somebody is a drug addict and they 've just had an injection you keep away from them , erm if they 're having a bad trip , whatever they call it , because you do n't , they become very violent , they can do a lot of damage , now the only time you will step in and help is when they go unconscious , but at the same time remember protect yourself , we 're talking about needles here and probably shared needles , you must be terribly careful that you do not get pricked by a needle , especially if , they have a habit of sticking needles under lapels , so always be aware of this , if a person is a drug addict , in fact if you can find some easier way of turning them into the recovery position , do so , erm , you can then obviously either call the ambulance .
2 There is also the option of using wild flowers , although that is only feasible if you live in or near the country , and you must be very careful about which flowers you pick — some of them are protected species .
3 Similarly , you must be very careful in your use of the brightest and lightest colours .
4 You are not sure if her death was an accident or not , and , because you are a journalist , you must be very careful what you write .
5 Now , of course , when you put restrictions on that seem to deny any group of members any rights , you must be very careful .
6 The first again relates to user access , in that you must be very careful with user access symbols if two or more LIFESPAN Processes are to be accessed by the same user .
7 The process can be speeded up somewhat by changing the blotting paper several times while the flowers are being pressed , although you must be extremely careful as the plants will be exceptionally fragile at this point and it may do more harm than good to disturb them .
8 You must be more careful ! ’
  Next page