Place the string <!--XXTjekXX [optional comment]-->
in the translation unit containing the dubious translation, like so.
This is not translated properly. <!--XXTjekXX needs work--> More text here
To make a list of pages in need of more translation work use the SearchLang
template:
{{SearchLang|XXTjekXX|da}}
There are 202 pages beginning with A-J
There are 160 pages beginning with KA-KZ
There are 184 pages beginning with Ka-Kz but not Kd
There are 51 pages beginning with Kd
There are 181 pages beginning with L-J