You are expert

We need you to draw seven red lines, all of them strictly perpendicular, some with green ink and ...

“I want an expert to tell me how to pronounce this word so I know it's correct.” “I love listenin...

You are the one in charge or the one who knows best. Said as an indication that one will defer to...

The Expert shirt campaign is over, but let me know if you'd be interested, you can check it here:...

A much touted theory suggests that practising any skill for 10000 hours is sufficient to make you...