| 非正数 | fei1 zheng4 shu4 | a nonpositive number (i.e. negative or zero) |
| 领导人非正式会议 | ling3 dao3 ren2 fei1 zheng4 shi4 hui4 yi4 | unofficial conference of leaders |
| 验明正身 | yan4 ming2 zheng4 shen1 | to identify |
| 正紧 | zheng4 jin3 | |
| 匡正 | kuang1 zheng4 | |
| 正为 | zheng4 wei4 | |
| 正面人物 | zheng4 mian4 ren2 wu4 | |
| 明媒正娶 | ming2 mei2 zheng4 qu3 | to be officially wed |
| 正北 | zheng4 bei3 | |
| 正襟危坐 | zheng4 jin1 wei1 zuo4 | to sit upright and still (idiom) |
| 正途 | zheng4 tu2 | |
| 患难之交才是真正的朋友 | huan4 nan2 zhi1 jiao1 cai2 shi4 zhen1 zheng4 de5 peng2 you3 | cf saw 患難之交患难之交, a friend in need |
| 正五边形 | zheng4 wu3 bi3 xing2 | regular pentagon |