まし (translations)→ best better improvement preferable
もったいぶった (translations)→ confiding gravely haughty oracular portentous reluctant smug stilted stuck-up theatric
重役 (translations)→ board director executive managerial
上司 (translations)→ above boss employer manager
尊大な (translations)→ dictatorial egotistical imperious imposing portly prideful self-importance self-important
超える (translations)→ do high swell transcend
長い (translations)→ endless extended leisured length lengthy lingering long long-drawn long-standing many tall
優越感 (translations)→ advantage morgue
上層部 (translations)→ brass establishment head leadership management oversight top dog upper-end