见 Hercules
a task done for pleasure, not reward
心甘情愿做的工作
explain or discuss something at excessive or unnecessary length
不厌其烦地解释（或讨论）
carry (a very heavy load or object) with difficulty
费力地搬（重物）
be deceived or misled by (a mistaken belief)
被（错误想法）蒙蔽（或误导）
you've been labouring under a bit of a misapprehension.
你被一点点误会蒙蔽了。