yīn wèi

yes, 因为 yin1 wei4 is correct and pronounced as ("in way"). I just noticed that for every "wei shen me" ("why?"), "因为 yin wei" is always been a part of chinese reasoning... we'll, that's just my observation. :)

the reasons of something 因为

conj. 1. 因为2. [用于引导一个名词从句，相当于 that 或 the fact that]…这一事实，…这一点原因，原因是3. [用于省略句，表示暂不便说明详细理由]4. [口语][用于叙述原因或说明提出问题]5. [口语][用于省略句,相当于 on account of being]是…的缘故

因为 yin1 wei4