"Than" is a conjunctionand is making a comparison.

It could also mean "What are you doing?" or "What have you been up to?" Customer: What's up? You: Oh not much, just working.

Cater - meaning to provide what is needed or wanted. Pander (to) - meaning to do or say what someone wants in order to please them, even though you know it is not right They both mean to serve in some capacity, and although they're not entirely interchangeable, there is some overlap.

At least has a few uses, all very different from the word unless here are some examples http://dictionary.cambridge.org/dictionary/british/at-least unless = if not Unless is similar in meaning to if not and can be used instead of if not in certain types of conditional sentences. We normally use unless with present tenses when we are referring to the future: You won't get in to see the show, if you don't have reserved seats. OR: Unless you have reserved seats, you won't get in to see the show.

In everyday life, there is very little difference between the two words and as such they are used interchangeably. However in some specialized fields, there are differences. For example in Law (under law of contract), there is an established difference. There is a legal maxim in law of contract that states that "Consideration needs not be adequate but must be sufficient" This maxim clearly establishes difference in both words (though similar). Adequacy is more exact in nature that sufficiency. This means something is adequate if its exactly equal to requirement whereas sufficiency means something is within a relevant range of the requirement.

You look bothered. You look troubled. You look worried. You don't look so good.

Generally it's fine to say "I knew that but thank you" you could say "I've heard that before." So I've heard

It means to match someones preference. in other words how one prefers something. how one likes something example: his coffee was just to his liking. his coffee was how he preferred it.