确信：指对某事非常确定或有把握。
... many a= many 许多 to feel certain that 觉得。。。肯定 to meet a difficulty 对付困难 ...
肯定
It just explains that you feel a certain way and it might be contradictory to what is expected of you.
它只是说明你有一种特定的感觉，它可能与你的期望相矛盾。
Advertisements are made to make people feel certain that they are true, and then people can buy the products.
广告是为了让人们确信它们是真实的，然后人们就可以购买产品。
I am much less certain that it benefits a person not to feel sadness or agony about the normal losses we all experience in life if the person is not clinically depressed.
但如果没有被确诊为抑郁的话，那我对它能否帮助那些因正常失去- - -我们都会在生活中经历——而感到悲伤和痛苦的人就不是那么肯定了。
It just explains that you feel a certain way and it might be contradictory to what is expected of you
它可以表达你产生了一种可能与他人对你的预期相反的感觉。
SpeakingMax英语口语达人 : I can't help but 课堂
"If there is a message at all, it's probably that we have to recognize in ourselves how we feel morally about certain things and make sure we follow that up with our actions, " says the actress and celebrity spokesperson for Estee Lauder cosmetics.
"At a certain point, you want to feel that connection, " she added.
The third issue why it may matter, is simply out of people's feeling of happiness and wellbeing, and if we find people are perennially worried about certain issues that they feel unable to talk to people about, then their unhappiness and concern must be, at the end of the day, something of importance in social policy and to the government.
BBC: NEWS | Programmes | Panorama | Interview with Professor Webber