English Dictionary

fight a losing battle

verb

To continue to wage war when it is clear that one is not going to win. / (idiomatic) To try to do something so difficult that it will probably end in failure.

They fought a losing battle against the powerful enemy.

意味（1）

To continue to wage war when it is clear that one is not going to win.

意味（2）

(idiomatic) To try to do something so difficult that it will probably end in failure.

The bus was oppressively warm and the air-conditioning was fighting a losing battle with the heat.