“It's not like you haven't seen it before.”
又不是你以前没见过。
一句轻描淡写的反问,把多年相处的默契和体谅都带出来了。
It's not like you haven't ... before.
安慰被自己状况吓到的人时用;熟人之间最自然,对陌生人显得敷衍。
You have seen this before. / This is nothing new to you.
口语
重读 not like 与 before,haven't seen it 连读。
It's not like you haven't heard me sing before. 又不是你以前没听我唱过。
