Review

take one's time looking at things without necessarily wanting to buy anything

look around for things one can buy cheaply for less than their usual price.

look at things in store windows without going inside or intending to buy them

You won't owe me anything

I regret something I did

Don't believe what they say.

You are hoping it is true, but it isn't.

an invertebrate

a mammal

a reptile

an amphibian