9 out of 10 are you jokin'? are you mental?

十分之九你在开玩笑吗？你有精神吗？

" I ought to have seed it wasn't a jokin' matter, " but his eyes twinkled and secretly he was immensely pleased.

“我应该有种子，这不是开玩笑的事，”但他的眼睛闪烁着光芒，暗暗地感到无比高兴。