“大敌”造句

骄傲自满是团结的大敌.
Conceit and complacency are the archenemy of unity.

骄傲是进步的大敌.
Conceit is the enemy of [ to ] progress.

不必要的差异是可用且一致的设计的大敌.
Unnecessary variation is the enemy of a coherent, usable design.