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It is a situation which a boy who is carrying some goods after successfully
escaped from chasing by policemen.

> なあ...わらって **たんじゃ** わからねえよ。
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2015-05-14T10:19:28.927
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2022-06-12T06:06:44.070
2022-06-12T06:06:44.070
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question
words conjugations contractions explanatory-の
What is the meaning of the word たんじゃ?
**_Colloquial form vs. "dictionary" form_** :

「わらってた」＝「わらっていた」

「ん」＝「の」

「じゃ」＝「では」

Put together, 「わらっていたのでは」 means "if you just kept laughing".

「では」, in this context, is like 「だと」 in meaning -- "if".

> 「なあ...わらってたんじゃわからねえよ。」

thus, means:

> "Y'know, I don't get the picture if you just keep laughing."
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2015-05-14T11:41:43.693
24314
2015-05-14T11:52:34.273
2015-05-14T11:52:34.273
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answer