Your girlfriend is singing a silly children's song and dancing in the kitchen. You think it's funny, but also a little embarrassing. You say:
You're such a goofball!
funny, personality, silly, such, 日本語サポート 
Your friend did something funny, so you started laughing. She's mad because she thinks that you're making fun of her. You didn't mean to make fun of her, so you say:
No, come on! I'm not laughing at you; I'm laughing with you.
angry, funny, laughing, progressive aspect, 한글번역 Your wife played a trick on you by saying that she hadn't paid your mortgage, when in fact she had. You really believed that she hadn't paid it, and you were worried. After she tells you the truth, you laugh and say:
You had me there for a second.
You went to see a comedy that you thought you would like. But you didn't laugh much while watching it. When you leave the movie, you say:
It wasn't as funny as I thought it would be.
comparison, criticism, funny, movies, 日本語サポート 