consistent; unchanging from beginning to end; acting or thinking uniformly throughout.
彼女は終始一貫、誠実な態度で対応した。
She dealt with the matter with honesty throughout.
この会社は品質第一の方針を終始一貫守ってきた。
This company has consistently maintained a quality-first policy.
彼の説明は終始一貫しており、説得力があった。
His explanation was consistent throughout and persuasive.