中 => While (Lasting) N3
Continuous
途中で/途中に => on the way; in the middle of ~ N4
へたに => Careless N2
Confirm
へた => Bad at... N5
Evaluate
中 => During the period (Term) N3
Time
に/へ => to (indicates direction / destination) N5
を中心に => focused on; centered on~ N2
そこへ => Right at that moment N3
Time
最中に => while; during; in the middle of ~ N3
を[経「へ」]て => After A N1
Time, Situation
そこへいくと => In comparison N3
Proportional, parallel
途中 (は) => on the way; in the middle of ~ N3
Halfway