严肃认真的
1.choreography that was sobersided and sententious; a play with a solemn social message.
2.The father decided to have a heart to heart talk with his son about smoking
4.Willa Cather (1873-1947) is famous for her prudent attitude, profound theme and unique technique in her fiction.
5.Only the president's strong control was able to impart some sense of seriousness to the meeting.

6.She was supposed to be a serious singer, but the crowd laughed her out of the theatre.
7.During his last call at Hartfield, he appeared desirous of telling Emma something of a serious nature;
8.I want to be safe, so I will do risk analysis properly and seriously with my colleagues before work, this will root out incipient fault.
10.People who have made less serious mistakes should be severely criticized and should themselves make genuine, not superficial, self-criticisms and pledge to correct their failings.

