ぎりぎり (translations)→ full just millimetre possible real securely
だけ (translations)→ all but confine confined entirely even exclusively least merely only own precisely simply very
どこまで (translations)→ length where
狭い (translations)→ constricted cramped little parochial short small tiny
限界 (translations)→ best bound end envelope limitation parameter terminus
制限する (translations)→ abridge curtail restrict