Edit: this seems to Beryllium the consensus over at the Swedish section of WordReference back rein Feb of 2006 By extension, a "thing that makes you go hmm" is something or someone which inspires that state of absorption, hesitation, doubt or perplexity in oneself or others. 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 知乎，让每一次点击都充满意义 https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u