This means 'not only... but also'. You use it to add more information. The second part is often more important or surprising.
Noun + ばかりでなくPrimary
Verb [dictionary form] + ばかりでなく
い-Adjective + ばかりでなく
な-Adjective + な + ばかりでなく
This means 'not only... but also'. You use it to add more information. The second part is often more important or surprising.
彼は英語ばかりでなく、中国語も話せます。
He can speak not only English, but also Chinese.
その新製品は、売れたばかりでなく、デザイン賞も受賞した。
That new product not only sold well, but it also won a design award.
その映画は、長いばかりでなく、内容もあまり面白くなかった。
The movie was not only long, but its content was also not very interesting.
地球温暖化は、自然環境ばかりでなく、世界経済にも大きな影響を与えている。
Global warming affects not only the natural environment but also has a large impact on the global economy.
留学は、語学を学ぶばかりでなく、異文化を理解する良い機会となった。
Studying abroad became a good opportunity not only to learn a language, but also to understand a different culture.
This is more formal than 'dake de naku'. It is like 'bakari ka'. But 'bakari ka' shows more surprise.
Don't use this when you want to say "not only... but also not...". For example, you cannot say "He didn't come, and he also didn't call."
Use this when you want to say "not only A, but also B." You use it to add more information. The second piece of information is often more important. It makes your point stronger. This is for formal writing or speeches.
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