| 之 |
zhī yī | one of (sth) / one out of a multitude / one (third, quarter, percent etc) |
| 之 |
zhī | (possessive particle, literary equivalent of 的) / him / her / it |
| 一 |
yī | one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit |