Breakdown of Du måste vara vaksam och se dig omkring.
vara
to be
du
you (singular)
och
and
måste
to have to, must
Questions & Answers about Du måste vara vaksam och se dig omkring.
Why is there a dig in se dig omkring when the English translation is just 'look around'?
In Swedish, looking around your physical environment often takes a reflexive pronoun to show that the action is centered on the subject. You are essentially saying 'look yourself around'. The dictionary form of this expression is se sig omkring.
Wait, if the dictionary form is se sig omkring, why does this sentence use dig instead of sig?
The reflexive pronoun sig is only used for the third person (he, she, it, they). For 'I', 'you', 'we', and 'you all', Swedish just reuses the regular object pronouns (mig, dig, oss, er) as reflexive pronouns. Since the subject is du, the pronoun must match it by becoming dig.
I originally learned that titta means 'look' and se means 'see'. Why use se here?
While that rule of thumb is generally true, se sig omkring is a fixed idiom in Swedish for 'to look around'. You will sometimes hear titta sig omkring as well, but using se in this specific spatial phrase is very natural and common.
How would this sentence change if I were speaking to a group of people rather than just one person?