3.The committee brushed off his enquiries with meaningless promises.
委员会用意义的许诺来搪塞的要求。
4.He asked them all kinds of pointless questions, stalling for time.
向们提了各种意义的问题来拖延时间。
5.He spent his life in pointlessly tiresome drudgery.
的一生都在做意义的烦人的苦差事。
6.I think, in part, we mythologize sacrifice, ennoble it with layer upon layer of redemptive they-did-not-suffer-and-die-in-vain meaning, because it enables us to bear the pain of loss.