a losing battle

基本解释

Hundreds of Tuareg fighters stood by him as his regime fought a losing battle for survival.
在上校最終敗北的生存之戰中，幾百名柏柏爾族戰士站在了他的一方。
This novel describes the final echoes of the newspaper story: dedication and ambition fighting a losing battle against backbiting and cheeseparing, and ending in a largely unlamented closure.
本書描繪了報業傳奇的最終廻響：奉獻精神、雄心壯志注定要敗給造謠誹謗、斤斤計較，到頭來關門倒閉也無人哀歎。
Some who oppose the unhealthy culture choose to be silent for fear of losing future grant opportunities. Others who want change take the attitude of "wait and see, " rather than risk a losing battle.
一些反對這套不健康文化躰系的科研工作者選擇了沉默，因爲他們害怕未來失去獲得科研基金的機會。

Parties now have more than a month to make their case to voters, but the LDP may be fighting a losing battle.
It was a losing battle.
這已注定是一場敗仗
耶魯公開課 - 歐洲文明課程節選
Northern forces were losing a major battle there.

And nations that try to restrict these freedoms are in a losing battle with liberty.
CENTERFORSECURITYPOLICY: Center For Security Policy