骄兵必败

jiāobīngbìbài

an army puffed up with pride is bound to lose

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骄兵必败

jiāo bīng bì bài

The self-conceited troops are destined to fail (failure).; An army puffed up with pride is bound to lose.; An army which is cocksure about its invincibility is doomed to defeat.; Proud troops will certainly be beaten.