| 正 |
zhèng yīn | standard pronunciation / to correct sb's pronunciation |
| 正 |
zhēng | first month of the lunar year |
| 正 |
zhèng | straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive |
| 音 |
yīn | sound / noise / note (of musical scale) / tone / news / syllable / reading (phonetic value of a character) |