好高骛远

zhì zài sì fāng yòu bù hào gāo wù yuǎn jiǎo tà shí dì ér yòu tiǎo zhàn jí xiàn

志在四方又不好高骛远，脚踏实地而又挑战极限。

Have ambition at everywhere and not idealistic and not practical. Stand on solid ground but challenge extreme limit again.

hěn duō xué xí yǔ yán de xué shēng dōu hào gāo wù yuǎn

很多学习语言的学生都好高骛远。

A lot of language students want to run before they can walk.