彈盡援絕

out of ammunition and no hope of reinforcements (idiom); in desperate straits

crossball / bullet / shot / shell / ball

to pluck (a string) / to play (a string instrument) / to spring or leap / to shoot (e.g. with a catapult) / (of cotton) to fluff or tease / to flick / to flip / to accuse / to impeach / elastic (of materials)

to use up / to exhaust / to end / to finish / to the utmost / exhausted / finished / to the limit (of sth) / all / entirely

to help / to assist / to aid

to cut short / extinct / to disappear / to vanish / absolutely / by no means