Pinyin: zuo4 guai4 Definition: (of a ghost) to make strange things happen/to act up/to act behind the scenes/to make mischief/odd/to misbehave (euphemism for having sex)
Pinyin: wu4 se4 Definition: to look for/to seek/to choose/color of object/color of fleece (of domestic animal)/to see/to notice/all kinds of things/odds and ends
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.