Place diced bacon in large stock pot over medium-high heat. Cook until almost crisp; add onions, and cook 5 minutes. 中高火煎培根，培根变脆后加洋葱继续炒五分钟。
Stir in water and potatoes, and season with salt and pepper. Bring to a boil, and cook uncovered for 15 minutes, or until potatoes are fork tender. 加入土豆丁和水搅拌，煮沸后不盖盖儿煮十五分钟直到土豆丁变软。
Pour in half-and-half, and add butter. 倒入half half奶油，并加入黄油。
Drain clams, reserving clam liquid; stir clams and 1/2 of the clam liquid into the soup. 蛤蜊沥干水，沥出来那水还得留着= =；把沥出来的水的一半加蛤蜊倒入汤中搅拌。（所以我直接别沥那么干净不就行了在这儿瞎折腾什么呢。。。）
Cook for about 5 minutes, or until heated through. Do not allow to boil. 煮五分钟左右或者到完全被加热透了。不要煮沸。（个人认为不要煮沸这一点很重要！！）