税: taxes, duties...
加班: to work overtime...
表面上: outwardly, superficially, on the face of it...
系: to connect, to arrest, to worry...
防卫: to defend, defensive, defense...
悲欢离合: joys and sorrows, partings and reunions, the vicissitudes of life...
众志成城: unity of will is an impregnable stronghold (idiom)...
一不小心: accidentally...
帅: handsome, graceful, smart, commander in chief, (coll.) cool!, sweet!...
灾: disaster; calamity; adversity; personal misfortune...
