无穷无尽

endless / boundless / infinite

not to have / no / none / not / to lack / un- / -less

endless / boundless / inexhaustible

poor / destitute / to use up / to exhaust / thoroughly / extremely / (coll.) persistently and pointlessly

endless / inexhaustible

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