蝦兵蟹將 [ㄒㄧㄚ ㄅㄧㄥ ㄒㄧㄝˋ ㄐㄧㄤˋ; xia1 bing1 xie4 jiang4] shrimp soldiers and crab generals (in mythology or popular fiction, the army of the Dragon King of the Eastern Sea) useless troops (idiom) ◄ ►