indifferent

adj.无关紧要的

漠不关心的；无所谓的；冷淡的。

形容词

1、She seemed indifferent to him, and he couldn't understand why.
她对他似乎漠不关心，他不明白为什么。
2、He showed an indifferent attitude towards the news of his promotion.
他对自己晋升的消息表现得漠不关心。