exhaustone'ssuppliesoffoodandammunition;弹尽粮绝
inexhaustible;取之不尽
wherethemountainsandtheriversend;atendofone'srope[tether,resources];山穷水尽
exertoneselftotheutmost用尽气力
fromeachaccordingtohisability;各尽所能
makethebestpossibleuseofmenandmaterial;人尽其才;物尽其用
doone'sduty;dischargeone'sresponsibility;尽责任
doone'sbest;exertone'sutmosteffort;尽最大努力
nottobebelievedwordforword;tobetakenwithagrainofsalt;不可尽信
haveapanoramicview;尽收眼底
JinZheng尽正