しかし

About

しかし is a formal way to say "but", and can come at the start of a sentence, or in between two clauses.

しかし(sentence)。

(Clause1)、しかし(Clause 2)。

Due to しかし's formality, it is mainly found in written Japanese, or in formal spoken material such as speeches.

Summary

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  しかし is a formal way to say "but"

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  しかし can come in the middle of a sentence, or at the start