About unapproved sentences

You may see some sentences in red. These sentences are not approved by Tatoeba's community. They raise copyright issues or are otherwise problematic. If you are a contributor, please avoid translating them.


- date unknown
This problem is a real challenge.
- date unknown
linked to 219393
zipangu - Feb 16th 2010, 20:57
linked to 365100
MikeMolto - May 31st 2010, 17:47
linked to 396506
darinmex - Nov 7th 2010, 23:25
linked to 607670
Guybrush88 - Jan 9th 2012, 16:39
linked to 1347764
duran - Jun 11th 2012, 21:03
linked to 1621508
mookeee - Jul 13th 2012, 22:30
linked to 1689747
Alois - Mar 19th 2013, 14:17
linked to 2319285
AlanF_US - Jan 14th 2014, 03:02
linked to 2320462
Silja - Apr 29th 2014, 21:04
linked to 3215755
marcelostockle - Apr 30th 2014, 02:42
linked to 1350710
marcelostockle - Apr 30th 2014, 02:42
linked to 3216173

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Sentence #56713

This problem is a real challenge.

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