lose one's battle

win the battle, but lose the war

To achieve a portion of a goal, but fail to achieve the entire goal.

catch one's death

To contract a serious illness, especially a nasty cold or other respir…

lose the plot

To cease to behave in a consistent or rational manner.

lose one's head

To behave irrationally or to lose one's self-control, especially in a …

lose one's shirt

To lose all of one's money; to go broke; to undergo financial ruin or …

lose the number of one's mess

To die, to perish.