| 不 |
bù jiā | without / not / un- |
| 不 |
bù | no; not so / (bound form) not; un- |
| 加 |
Jiā | Canada (abbr. for 加拿大) / surname Jia |
| 加 |
jiā | to add / (math.) plus / to increase; to augment / (used before a disyllabic verb, often after an adverb like 不, 大, 稍 etc, to indicate that the action applies to sth previously mentioned, as in 稍加改良 "make some minor improvements to (it)") |