who can tell me how to tell the difference from “take care w

“take care over/with sth”means:
to spend a lot of time and effort making sure that something is perfect注意,当心
　Paul always takes great care over/with his appearance.
“take care of sb/sth”
a) to look after someone or something照顾某人/某物
　Who's taking care of the dog while you're away?
take care of yourself
　The children are old enough to take care of themselves.
b) to deal with all the necessary work, arrangements etc处理,安排
　Her secretary always took care of the details.
　Don't worry about your accommodation - it's all taken care of.
c) to pay for something - used when you want to avoid saying this directly付款,买单
　We'll take care of the fees.