trivial
/ˈtrɪvɪəl; `trɪvɪəl/ adj
(often derog 常作贬义) that has little importance 不重要的; 琐碎的
a trivial mistake, loss, offence 小小的错误、 损失、 罪过
raise trivial objections to sth 对某事物提出小小不言的反对意见
(fml 文) a trivial young man, ie one who is only concerned with trivial things 浅薄的年轻男子.