be utterly crestfallen / be utterly dejected / be depressed

presiding / take the chair / chairing / preside / chair

*do over again / try once more

doing *something again / do *something once more / redo / doing *something over / do *something over / doing *something once more / do *something again

revenge *oneself on / get *one's revenge on / retaliate / get even with

get back at *someone / avenge *oneself / avenging *oneself / taking revenge on *someone / take vengeance on *someone / taking vengeance on *someone / get even with *someone / retaliating / take revenge on *someone / being avenged on *someone / vengeance / getting even with *someone / getting back at *someone / revenge / revenging *oneself on *someone / revenge *oneself on *someone / retaliate / be avenged on *someone / retaliation

begin over again / try once more / do again / make a fresh start / redo / do once more / start over again / try again / recommence / do over again

do over again / try once more

do *something halfway

do *something midway / leave [one's work] unfinished / be in the middle of *something / do *something halfway / have [work] uncompleted