I cannot help but think that is very important.
我只能认定那是很重要的。
In such a case, WHO cannot help you.
在此种情况下，世界卫生组织无法给你帮助。
I cannot help but often think of my parents.
我禁不住经常想到我的父母。
When we listen to the crosstalk, we cannot help laughing.
听相声，我们情不自禁地笑了起来。
Mother cannot get Mary to help do the housework; she always has her nose in a book.
母亲叫不动玛丽帮她做家务，她总是忙着看书。