If something happened to a grandparent, I'm counting. Up to four I don't get suspicious.

如果谁的祖父母或者外祖父母不幸离世,我会记着的,4个以下我是不会怀疑的

耶鲁公开课 - 基础物理课程节选

And there are some communities that are frankly suspicious of Western medicine and don't want people to come in with their modern approaches and feed things to members of their community.

有一些社会团体,对西药是极其怀疑的,他们不欢迎带来现代方法的人,也不愿给民众吃什么东西

耶鲁公开课 - 生物医学工程探索课程节选