难以想象: beyond imagination, be difficult to imagine...
神态: appearance, manner, bearing, deportment, look, expression, mien...
分赃: to share the booty, to divide ill-gotten gains...
同舟共济: cross a river in the same boat (idiom); having common interests, obliged to collaborate towards common goals...
恭敬: deferential, respectful...
不由自主: can't help; involuntarily (idiom)...