How to write 'wicked' GP job references for lazy colleagues

I once wrote in a job reference for a lazy colleague: “A worker like her is hard to find.” I sure had trouble finding her, particularly on Fridays when the weather was fine. 

I probably could have added: “Her career is just taking off.” She reliably took off before every long weekend. 

The importance of an ambiguous statement on a reference is that, these days, the subject often gets to read it.

Now, references for GP registrars are emailed directly to them rather than to the employer.

But as long as I write