丿+4 = 5

ㄏㄨ

ㄏㄨhū
  1. 蕩蕩」、迥乎」、巍巍泰山」。
  2. 助詞
  3. 」、歸來」、」。
  4. 」、」、!」。
(classical particle similar to 於|于[yu2])​ in, at, from, because, than, (classical final particle similar to 嗎|吗[ma5], 吧[ba5], 呢[ne5], expressing question, doubt or astonishment)​
à, dans, de, vers, (part. interrog.)​