壮大 Traditional 壯大 zhuàng dà 🔊 to strengthen; to build up HSK 7–9 + Review this word Meanings zhuàng dà 壯大 to strengthen; to build upto grow strong and large Its characters 壮zhuàngto strengthenHSK 7–9大dàbig; old (in age)HSK 1 In sentences Pinyin 中国Zhōng guó有yǒu日益rì yì壮大zhuàng dà的de中产zhōng chǎn阶层jiē céng。China has a growing middle class. #10194197