Tā zuòshì yī ge luó bo yī ge kēng, fēicháng tāshi.
He does things methodically, one task at a time.
Tips
memory
Imagine a farmer's turnip patch: each turnip fits in exactly one hole. No extras, no overlap. That's the image — tight, exact, no redundancy.
usage
Two flavors: (1) describing staffing with no redundancy (often complaining), (2) praising someone who does each task carefully and in order without jumping around.
