共产党员决不可自以为是盛气凌人的英文

a communist must never be opinionated or domineering

• 共产党员:    member of the Comm ...
• 决不:    definitely not; ce ...
• 可:    approve
• 自以为是:    be opinionated; be ...
• 盛气凌人:    lord it over other ...