to work with total dedication and strive to the utmost, literally "to bend to the task until one is worn out"; often used in the phrase [[鞠躬尽瘁，死而后已|鞠躬盡瘁，死而後已|ju1 gong1 jin4 cui4 si3 er2 hou4 yi3]]

to be completely worn out in both mind and body; to suffer from extreme fatigue or burnout

to be mentally and physically exhausted; worn out in body and soul

(literary) to exhaust one's mental and physical energy; to work one's heart out until worn out, often in service to one's country

(literary) worn out and exhausted from hard work; physically or mentally drained

misfortune and poverty; ruin and exhaustion. This literary term often describes the collapse or suffering of a country or its people.

to be completely drained both emotionally and physically; to look extremely haggard and tired

(idiom) to work with total devotion and spare no effort until one's dying day; to spare no effort in the service of one's country or a cause until the day one dies; literally to bend to the task until worn out and only stop at death