用尽

to exhaust / to use up completely

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

to the greatest extent / (when used before a noun of location) furthest or extreme / to be within the limits of / to give priority to

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

to tax one's ingenuity