1.
sober reflection
冷静的思考，认真的思考
2.
serious reflection
认真的思考，严肃的反省
3.
Jack's countenance assumed an air of seriousness.
捷克装出认真的表情。
4.
To give the devil his due, he is quite a conscientious worker.
他工作还是认真的。
5.
An earnest student works hard.
认真的学生学习努力。
6.
I'm very serious, Scarlett.
我是很认真的，斯佳丽。
7.
I think we're strict where we must be, and more liberal than other people wherever we can afford to be.
我们认真的地方认真，优待的地方也比别家优待。
8.
any cognitive content held as true.
认为是真的认知内容。
9.
To confirm formally as true, accurate, or genuine.
确认正式确认为真实、准确或真正的
10.
I acknowledge the truth of your statement.
我承认你说的是真的。
11.
Been nice knowing you, Captain. Real nice.
很高兴认识你，上校，真的。
12.
Really nice to know you.
真的很高兴认识你。
13.
a very sober and hard-working young man
认真而勤奋的年轻人
14.
validating the authenticity of something or someone.
确认某事、某人的真实性。
15.
She is mindful of her duty.
她认真对待自己的职责
16.
I don't believe it to be true.
我不认为这是真的。
17.
a conscientious man noted for his sobriety
以认真审慎著称的男子.
18.
It is a great privilege to know you.
认识你真是莫大的荣幸。