TAKOBOTO

Vte, (Definitely, completely [often to ones regret] do V)
Now you've gone and broke it.

もうまたさらをこわしてしまったか。

Good grief. (That) another plate (you've) gone and broken?

ゆめにふけったり、いきることをわすれてしまうのはよくない。

Becoming absorbed in a dream, forgetting to live is no good.

あなたはわらわれてしまうでしょう。

You will be laughed at.

でんしゃのなかにさいふをおとしてしまった。

I lost my wallet in the train.

Formed from Vte + shimau.

Note that shimau conjugates as a normal godan verb.

Vte = -te form verb (死ぬ -> 死んで)

Amatuka

Note that the Vte+shimau can be shortened in one of two ways depending on the kana used for the 'te' form verb.

e.g. 死んでしまう → 死んじゃう
凍えてしまう → 凍えちゃう

Amatuka

Not always used in negative nuance.

Amatuka

this is very good

tarun rana

Vて+しまうhas two uses. One is, as indicated, to emphasize the completeness or finality of the verb action. The other is to indicate that the occurrence or action denoted by the verb is unfortunate or undesired, e.g., なくなってしまいました ([he or she] sadly died)

Michael Karlin