Eng

Systematic...

井

Mine, Orderly, Pit, Shaft, Systematic, Well

整

All, Complete, Entire, Exact, Exactly, In good, Make Tidy, Neat, Restore, Systematic, Tidy, Whole

系統化

Systematic, Systematized

(System, Systems)

系統地

Methodical, Systematic

(System, Systems)

頭緒

Clues, Means, Sequence, Systematic, Systematically, Ways

井井有條

Methodical, Neat, Orderly, Systematic