zhì guǎng cái shū ㄓㄧˋ ㄍㄨㄤˇ ㄘㄞˊ ㄕㄨ 志广才疏 犹志大才疏。
Have great ambition but little talent
志(zhì)
广(guǎng ān)
才(cái)
疏(shū)