必败之仗

losing battle  detail>>

不败之地

(to secure) an invincible position  短语和例子   立于不败之地 put oneself in an invincible ...  detail>>

立于不败之地

be in an unassailable [invincible; impregnable] position; base oneself on sure ground; be invincible...  detail>>

死胡同；失败之路

blind alley  detail>>