He, she, etc. doesn’t miss a trick
Definition 1 of 1
Pro Tip 1/3Context Matters
Used when acknowledging someone's ability to notice all details, often in a specific scenario. 
In negotiations, Mr. Huang doesn't miss a trick; he's always prepared.
Pro Tip 2/3Complimentary Tone
It's usually a compliment implying intelligence and thoroughness, rarely used sarcastically. 
As a detective, she doesn't miss a trick, which makes her exceptional at her job.
Pro Tip 3/3Slight Caution
Can suggest that it's hard to deceive that person, so be honest and straightforward. 
Don't try to hide the mistake; our teacher doesn’t miss a trick and will find out.