简单 [jiǎn dān]briefness simpleness 1.(不复杂) simple; uncomplicated; plain; simplicitysimple in structure构造简单2.(平凡, 多用否定式) commonplace; ordinarynot simple; fairly complicated; remarkable不简单3.(草率; 不细致) oversimplified; casualdo things in a casual [perfunctory] way简单从事