unconcerned
adjective uk/ˌʌn.kənˈsɜːnd/ us/ˌʌn.kənˈsɝːnd/
（尤指应当担心或感兴趣时）不担心的，漠不关心的，无兴趣的
not worried or not interested, especially when you should be worried or interested
The baby was apparently unconcerned by the noise. 婴儿似乎一点儿也没受噪音影响。
Are you as unconcerned about the situation as you seem to be? 你对局势真的像你表现出来的那样漠不关心吗？