~(て) しまう

~(て) しまう

To end up doing; to finish doing completely

N4expression·~(te) shimau

How to remember it

しまう means 'put away'; finishing an action fully, often with regret.

Example sentences

  • 全部食べてしまった。

    ぜんぶたべてしまった。

    I ended up eating it all.

  • 財布を忘れてしまった。

    さいふをわすれてしまった。

    I accidentally forgot my wallet.

Usage

Often implies regret or completion; casual form becomes ちゃう.

Related words

しまう~ちゃう~ていく~てみる

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