During my own life-long quest to learn Chinese I spend a lot of time reading. Sometimes I’ll come across a character that I think I already know but is actually a different character that looks very similar.
The earliest example I can remember of this was thinking that “第” was the same as “弟” (having previously learnt the word “弟弟”). How embarrassing that I thought “弟” was used for cardinal numbers! Since both characters are pronounced the same way, it took me quite a while to realise my mistake.
Later I read Olle Linge’s Hacking Chinese article: Horizontal vocabulary learning, which I thought was genius. That blog post inspired me to create a web site dedicated to helping people learn to differentiate hanzi characters that look very similar. Finally, here it is!