To be convincing, you must look as if you are trying to avoid tears.
为了让别人确信无疑，你必须让自己看起来像是尽力在控制泪水。One of the strange things in the world is that it is only now and then one is quite sure one is going to live for ever and ever.
怪事之一是。仅仅是偶尔之间，你才确信无疑你会活到永远的永远的永远。His eyes and the expression on his face told me, he is the very person you're looking for!
他的眼神和脸色的变化，让我确信无疑，他就是你要找的人！）约翰说。It seemed certain that she would be the first ship home, but during the race she had a lot of bad luck.
看来，它首先返抵英国是确信无疑的了，但它却在比赛中连遭厄运。and that "it seems to me as conclusive as any finding I know of in science. "
还有“和我其他的发现一样，我对此确信无疑。”Outsider city people . . . did not understand these differences but the town people and farmers were very sure of them.
外来者（城里人）不了解这其中的差别，但小城镇的人和农民对这些差别确信无疑。Therefore, may you all determine to really practice so you really know and when you know you will be sure about the teachings of the Buddha.
因此，希望诸位下决心去真参实修，这样才能如实真知，而当你了悟之后你对佛陀的教导就会确信无疑。Nobody knows for certain. We have no means of knowing how she died.
没有人能确信无疑的知道。我们也没有办法知道她是如何死亡的。From the start, we were sure about two things: we wanted an outdoor wedding and we wanted Cognac to be a part of the ceremony.
从一开始，有两件事我们确信无疑：一是我们要在户外举行婚礼，二是我们要科格纳克参与我们的婚礼。