inappropriate
adj
~ (to/for sb/sth) not suitable or appropriate (for sb/sth) (对某人[某事物])不恰当的, 不适合的
an inappropriate comment, name, moment 不当的评语、 名称、 时刻
clothes inappropriate to the occasion 不适合这种场合的衣物
It seems inappropriate for us to intervene at this stage. 我们在此阶段介入似不甚妥.