Pinyin: jie4 dao1 sha1 ren2 Definition: to lend sb a knife to kill sb/to get sb else to do one's dirty work/to attack using the strength of another (idiom)
Pinyin: zuo4 yong4 Definition: to act on/to affect/action/function/activity/impact/result/effect/purpose/intent/to play a role/corresponds to English -ity, -ism, -ization/CL:個|个[ge4]
Decomposition Levels: Level 1: Only divided once. So only two components. Level 2: Radical Decomposition. The character gets decomposed into its lowest radical components. For the complete list visit the Radical wikipedia page. Level 3: Graphical Decomposition. Shows all the strokes & lowest level of components that make up the character. If you see questions marks or too many "block" characters, especially when it comes to level 3 decomposition you might need the correct font.