One who frequents another's table; a hanger-on or parasite.
食客经常到别人那儿吃饭的人；食客或寄生者
A malarial parasite at the stage of development in which it inhabits bodily tissue before invading the red blood cells.
潜隐体一种处于发育阶段的疟疾寄生虫，在侵入红血细胞之前，寄生在体内组织中
Don't give money to him; he is a parasite.
别给他钱，他是个好吃懒做的人。
