| 奈 |
nài péi | neper (unit of ratio, Np) |
| 奈 |
nài | used in expressions that convey frustration and futility, such as 无奈 and 莫可奈何 (literary) / used for its phonetic value in writing foreign words |
| 培 |
péi | to bank up with earth / to cultivate (lit. or fig.) / to train (people) |