You have a good sense of humor.

你真幽默。(别人讲笑话不管好笑不好笑，都用这句。美国人极其喜欢的表扬!)

Your Chinese is really surprising!

你的中文令人惊讶!(用来鼓励说汉语的老外。)

Your English is incredible.

我真不敢相信你的英语。(用了六星级形容词!)

You have a very successful business.

你的事业很成功。(现代人喜欢听!)

Your are very professional.

你非常专业。(他会更认真!)

Your are so smart.

你非常聪明。(谁都愿意听!)

I envy you very much.

我非常羡慕你。(接下来你可以诉苦了。)

You two make a lovely couple.

你们真是天生的一对。(他们会为选择了彼此而自豪。)

Your son/daughter is so cute.

你的孩子很可爱。(外国人绝对喜欢听的表扬!)

Your are really talented.

你很有天赋。(给他动力和勇气。)

You look nice in that color.

你穿那种颜色很好看。(搞不好，她会买一大堆那种颜色的衣服。)

You have a good taste.

你很有品位。(高层次的赞美。)

You look like a million dollars. (=You look outstanding. =You look like a movie star.)

你看上去帅呆了。(多么昂贵的赞美!)

You look great today.

你今天看上去很棒。(每天都可以用!)

We are so proud of you.

我们真为你骄傲。(表扬孩子最有效。)

I'm very pleased with your work.

我对你的工作非常满意。(正式、真诚的赞扬。)

This is really a nice place.

这真是个好地方!(随口就说且效果很好的赞美!)

You are looking sharp.

你看上去真精神/真棒/真漂亮!(可令他兴致盎然。)

Everything tastes great.

每样东西都很美味。(吃完了就说这句。)

I admire/respect your work.

我对你的工作表示敬意。(世界通用!)

You've got a great personality.

你的个性很好。(非常安全的表扬。)

You always know the right thing to say. (=You are very eloquent.)

你总是说话得体。(高层次的表扬!)

Nice going! (=You did a good job.)

干得好!(极其地道的表扬!)