n．严肃认真：指一个人在思考问题、处理事务时表现出的认真、严肃的态度。
... seriousness严肃 unassumingnessunassuming的名... serious-mindedness性格严肃 ...
Quite typical, however, of his serious single-mindedness he married right into the profession.
很典型，带着他极为单一的头脑，他正好娶了这个专业。
This open-mindedness shows we are serious about helping the people of Britain.