This is correct. Not all services are intimate, but this one (feeding them) is too intimate.Too intimate a service to offer to a stranger
This is probably not what you mean. *If you mean that the temperature of the hamburger to to high to eat it at the moment, then say That hamburger is too hot to eat. Your sentence would work if, for example, you didn't like eating hamburgers when the weather is very hot.It's too hot to eat that hamburger.
It's too hot that hamburger to eat
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