(as) dead as a (或 the) dodo

(informal)used to emphasize that a person or animal is no longer alive

(非正式)肯定死了的

no longer effective, valid, or interesting

失效的，無效的，不再有趣的

the campaign was as dead as a dodo.

這場戰(zhàn)役已經(jīng)了無生機(jī)。