You have so much to say, but none of it is constructive.
Examples (Wiktionary)
Mandarin
建设性意见
建設性意見
jiàn shè xìng yì jiàn
constructive opinion; constructive suggestion
Mandarin
建设性批评
建設性批評
jiàn shè xìng pī píng
constructive criticism
Mandarin
他们缺乏建设性,破坏有余而建设不足,在参加革命以后,就又成为革命队伍中流寇主义和无政府思想的来源。
他們缺乏建設性,破壞有餘而建設不足,在參加革命以後,就又成為革命隊伍中流寇主義和無政府思想的來源。
tā men quē fá jiàn shè xìng , pò huài yǒu yú ér jiàn shè bù zú , zài cān jiā gé mìng yǐ hòu , jiù yòu chéng wéi gé mìng duì wǔ zhōng liú kòu zhǔ yì hé wú zhèng fǔ sī xiǎng de lái yuán .
These people lack constructive qualities and are given to destruction rather than construction; after joining the revolution, they become a source of roving-rebel and anarchist ideology in the revolutionary ranks.