【望洋兴叹】〖wàng yáng xng tàn〗[lament one's littleness before the vast ocean; bemoan one's inadequacy in the face of a great task; gaze at the ocean and complain of its infinitude; gaze at the ocean and sigh -- feel powerless and frustrated]

望家父病干着急，

洋距四千疫隔离。

兴利除弊郁闷病，

叹为疥痒抓血沥。

原指在伟大事物面前感叹自己的渺小。比喻做事时因力不胜任或没有条件而感到无可奈何。Old refers In front of great things sigh with feeling own paltry. Metaphor is when doing things, because be unequal to one's task or no conditions and feel unable to do anything with.同：无能为力、无可奈何。反：妄自尊大。歇：对着大海发愁、站在海边打咳声。谜：水哉，水哉。