笨小孩（名詞,，俚語(yǔ)）

(noun, SLANG) A boring, clumsy, sloppily dressed young person, usually male, who lacks appropriate social skills.

EXAMPLE: Before college, my little brother was a shy and lonely dweep who girls ignored, but then he changed completely and now he's handsome, trendy, and very popular.

在上大學(xué)之前，我的弟弟是個(gè)靦腆、孤僻,、女孩們看不上的笨小孩，但后來(lái)他發(fā)生了徹底的改變,，現(xiàn)在他英俊,、時(shí)髦，非常受人喜愛。

something doesn't grow on trees

不是從天上掉下來(lái)的（傳統(tǒng)表達(dá)法）

Traditional expression referring to something (usually money) that is not easy to acquire, but that requires hard work, and so deserves respect.

EXAMPLE: When I was young, I was lazy, but then I realized that money doesn't grow on trees, and if I wanted to be rich I needed to work hard.

我年輕時(shí)很懶,，但后來(lái)我知道,，錢不是從天上掉下來(lái)的。要想發(fā)財(cái),，就得努力工作,。