wasted on someone idiom
C2 浪费在（某人）身上;用在（某人）身上就是浪费
If you say that something is wasted on someone, you mean that its quality is too high for that person and they will not understand its true value.
I'm not going to serve that good coffee to Chris and Melanie - it would be wasted on them. 我可不想把那么好的咖啡给克里斯和梅拉妮喝——那会糟蹋东西。