qualified
adjective
1 (certified) 有资格的 ‹professional›;
a qualified doctor 取得执业资格的医生;
to be qualified for sth/to do sth; 有资格做某事
2 (competent) 胜任的 ‹person›;
I am not qualified to comment on that subject 我对那个话题没有发言权
3 (limited) 有保留的 ‹approval, praise›;
the concert was a qualified success 音乐会还算成功