unconcerned
adj
1 ~(with sth/sb) not feeling or showing concern; uninterested不关心的; 不感兴趣的; 冷漠的
unconcerned with questions of religion or morality 对宗教问题或道德问题不感兴趣.
2 ~ (at/by sth) free from anxiety; untroubled 无忧虑的; 不烦恼的
Most tourists were unconcerned at the poor weather. 那些游客大多没把坏天气放在心上.