1 to shout oneself hoarse (idiom)

1 used up

2 dried up

3 exhausted (of resources)

1 to exhaust

1 to do one's utmost

1 to use up

2 to exhaust

1 weakening and close to exhaustion (idiom); in terminal decline

2 on one's last legs

1 to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly

2 to rack one's brains

3 to leave no stone unturned

1 to spare no effort (idiom); to do one's utmost

1 lit. to drain the pond to get at the fish (idiom)

2 fig. to kill the goose that lays the golden eggs

1 to spare no effort (idiom); to do one's utmost