”不算“ 1. do not count Tell me what you can cook. And instant noodles don't count. 跟我讲讲你会煮什么。方便面不算的。 2. can't be seen as... 她不算是一个好老师 The first meaning of 不算 is applied in this sentence. The whole sentence means your words don't carry weight. So do mine and your sister's. We are not the one who can decide here. ^^ ----Jill

没用，没意义的意思，否定他人的意思。

在这个语境里，意思是 it doesn't count what you said OR you can't decide it by your own.