be banging, etc. your head against a brick wall

be banging (one's) head against a brick wall

To be attempting, continuously and fruitlessly, to accomplish some task or achieve some goal that is or seems ultimately hopeless. I feel like I've been banging my head against a brick wall trying to understand this math equation.See also: bang, brick, head, wall

be banging, etc. your head against a brick ˈwall

(informal) try for a long time to achieve something, persuade somebody to do something, etc. without success: I realized they weren’t even listening to my protests. I was just banging my head against a brick wall.See also: brick, head, wall

单词	be banging, etc. your head against a brick wall
释义	be banging, etc. your head against a brick wall be banging (one's) head against a brick wall To be attempting, continuously and fruitlessly, to accomplish some task or achieve some goal that is or seems ultimately hopeless. I feel like I've been banging my head against a brick wall trying to understand this math equation.See also: bang, brick, head, wall be banging, etc. your head against a brick ˈwall (informal) try for a long time to achieve something, persuade somebody to do something, etc. without success: I realized they weren’t even listening to my protests. I was just banging my head against a brick wall.See also: brick, head, wall
随便看	cell cycle proteins cell cycle regulated protein kinase cell cycle regulatory protein cell cycle-related kinase cell cycle related kinase1 cell cycle specific cell death cell death and differentiation cell-death pathway cell death protein rip cell dehydration cell delay variation cell delay variation tolerance cell density negative control cell determination cell development cell development and function cell devision cycle-like 1 cell devision kinase 2 cell differentiation cell directory service cell directory service command program cell (disambiguation) cell division cell division control 27 gene