“保护好你的私人物品，在陌生的街上单独行走要注意，多注意四周情况。”用英语怎么说？

Protect your private items. Be cautious when walking alone on a strange street, and pay attention to the conditions around you.

Protects your personal goods, alone walks on the strange street must pay attention, multi- attentions all around situation .

keep your private things well.
Be careful when walking in the street alone
Be more careful the surroundings