| 知 |
Zhī hū | Zhihu, Chinese Q&A website modeled on Quora, at zhihu.com, launched in Jan 2011 |
| 知 |
zhī | to know / to be aware |
| 乎 |
hū | (classical particle similar to 于) in / at / from / because / than / (classical final particle similar to 吗, 吧, 呢, expressing question, doubt or astonishment) |