gravitas

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

He is pale, dark, and authoritative, with the gravitas you might expect of a Nobel prize winner. 他麪色蒼白、皮膚呈深色、有權威性，帶著你可能期待的一位諾貝爾獎得主的那種莊嚴。