gravitas

1. N-UNCOUNT If you say that someone has gravitas, you mean that you respect them because they seem serious and intelligent. 庄严[正式]

He is pale, dark, and authoritative, with the gravitas you might expect of a Nobel prize winner. 他面色苍白、皮肤呈深色、有权威性，带着你可能期待的一位诺贝尔奖得主的那种庄严。