couldn't help but

基本解释

My sister and I couldn't help but feel like it was our fault his day of appreciation was so disappointing.
这个感激他的日子过得如此让人失望，我和姐姐忍不住觉得那是我们的过错。
Still, I couldn't help but want to store those fluffs of white in my phone, to carry them with me everywhere.
不过，我还是忍不住想要将这种蓬松的美丽存在我的手机里，随身携带到任何地方。
Given that the women all looked equally beautiful and delivered similar promises, I couldn't help but wonder what gave them their value.
假设这些女郎看上去都同样漂亮，而且作出了类似的承诺，我忍不住会想，什么因素决定了她们的价格。

But it's also possible that it's a Homer Simpson-like effect, where when asked to point to what he wants, he just couldn't help but point to the one he wanted.
但也有可能这是一个类似于,霍莫·辛普森的效应,当被要求指向他想要的物体时,他只是情不自禁地指向了他想要的物体
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