indifferent

a. 漠不关心的,无重要性的,中立的

I was so excited to see snow that I was indifferent to the cold.

我看到雪激动得连寒冷都不在乎了。

She seems indifferent, but deep down she's very pleased.

她貌似无动於衷, 其实心里非常高兴.