But,it says wiping this deadly disease from the face of the earth poses a formidable challenge.

VOA: standard.2010.05.21

Okay. So next time we will turn to the somewhat formidable task of understanding Lacan.

好的，下节课我们要,讲到拉康，这将是件艰巨的任务。

耶鲁公开课 - 文学理论导论课程节选

"This past year, I was a visiting scholar for the Phi Beta Kappa Society and went to small liberal arts colleges in the United States, and not only gave public lectures about science, but also research lectures, and then also spoke with women about the importance of bringing their intellectual force, which is formidable, to the scientific arena in the future."

VOA: standard.2010.03.29