Number one : armchair critic.

Someone who makes comments or criticisms about a situation

in which they are n't taking any action to help solve the problem.

Imagine a person sitting in a big comfortable armchair and making criticisms without getting up and taking action.

Number two : busybody.

Someone who constantly wants to know about or interfere in other people 's lives.

For example, " My aunt is such a busybody." " She 's always asking nosy questions about my love life."

Number three : cheapskate.

Someone who hates to spend money, even when spending money is needed.

" John bought his mother a five dollar gift for her birthday."

" I can't believe what a cheapskate he is!"

Another way to describe someone who hates spending money is " stingy ".

Number four : couch potato.

A lazy person who spends lots of time sitting or lying down, usually watching TV,

playing video games or something else that doesn't involve physical activity.

" Stop being a couch potato – turn off the TV and go get some exercise."

Number five : down-to-earth.

Someone who is practical, sensible and realistic.

" I like working with Janet because she's so down-to-earth."

" Her plans and expectations are very reasonable."

Being down-to-earth is the opposite of being a dreamer, visionary or having your head in the clouds.

Number six : behind the times or fuddy-duddy.

Someone who is old-fashioned and has not adopted modern customs.

" My dad doesn't have an e-mail address. He's a little behind the times."

" Fuddy-duddy " is a more negative word.

It is more of a criticism, whereas " behind the times " is more diplomatic.

Number seven : go-getter.

An active, energetic person with initiative to pursue the things they want.

" You can't just wait for opportunities to be handed to you." " You need to be more of a go-getter."

Number eight : goody-goody or goody two shoes.

Someone who always acts good, sweet or nice and follows the rules perfectly.

" Mary was a goody two shoes in high school, but when she went to college she turned into a real rebel."

The words " goody-goody " and " goody two shoes " are not compliments.

They have the connotation of a person who always acts good

and is a little bit arrogant about it, showing off their perfect behavior.

An idiom for describing someone as good without this connotation of arrogance is " a good egg ".

Number nine : know-it-all, smart aleck or wise guy.

Someone who thinks they know everything and that their opinions or ideas are the best.

" I tried to give advice, but my know-it-all co-worker wouldn't even listen."

The idioms " smart aleck " and " wise guy " are similar,

but imply that the person demonstrates their cleverness in an arrogant or sarcastic way.

Number ten : a man of his word, a woman of her word.

Is a person you can trust because they tell the truth and keep their promises.

" If Gary said he 'll be there at six o'clock, you can count on it." " He's a man of his word."