Did you mean: new now know guan gan na ?
| 啃 | kěn | to gnaw / to nibble / to bite | 
| 咬 | yǎo yá | to clench one's teeth / to grind the teeth / gnaw | 
| 心 | xīn jié | a matter that gnaws at one's mind; preoccupation; sore point; rancor | 
| 啃 | kěn shū | lit. to gnaw a book / to study / to cram | 
| 啮 | niè yǎo | to gnaw | 
| 咋 | zé | (literary) to bite; to gnaw | 
| 啮 | niè | to gnaw / to erode | 
| 咬 | yǎo niè | to gnaw | 
| K | K shū | (Tw) to cram; to study (from Taiwanese 齧書, Tai-lo pr. [khè-su], lit. to gnaw a book, similar to Mandarin 啃书) | 
| 咥 | dié | gnaw / bite | 
| 龁 | hé | (literary) to gnaw; to bite | 
| 嘬 | chuài | (literary) to gnaw / to eat ravenously | 
| 啮 | niè | variant of 啮 / to gnaw | 
| 咬 | yǎo niè | variant of 咬啮 / to gnaw |