1·He's really serious about Penny and wants to get engaged.
他对彭尼的确是认真的，他想跟她订婚。
—— 《牛津词典》
2·"She got really serious," Dr. Etheridge said.
“她变得非常严肃。”以太里奇博士说。
3·"Then she got really serious," Dr.Etheridge said.
“然后她变得非常严肃。”以太里奇博士说。
4·The class is for students who are really serious about film.
这门课是为那些对电影确实很认真的学生而开设的。
5·No, there isn't, and a cold isn't really serious enough for a visit to your doctor.
不，没有，而且感冒也不是很严重，不需要去看医生。
6·It was just a casual remark—I wasn't really serious.
我只是随便说说，并不当真。
—— 《牛津词典》
7·China is getting really serious about waste now.
中国现在对浪费问题非常重视。
8·There's nothing really serious.
没有什么不得了的事。
—— 《新英汉大辞典》
9·The situation is really serious.
局势真的很严重。
10·We are experiencing really serious stress.
我们正承受着十分严重的压力。