| 乃 |
nǎi shì | equivalent to either 是 or 就是 |
| 乃 |
nǎi | to be / thus / so / therefore / then / only / thereupon |
| 乃 |
nǎi | variant of 乃 |
| 是 |
shì | to be (followed by substantives only) / correct; right; true / (respectful acknowledgement of a command) very well / (adverb for emphatic assertion) |
| 是 |
shì | variant of 是 |