干 (乾,幹) [gān gàn hán] - arid, dry; to oppose; to offend; to invade
radical: 十 [gān]: dry
decomposition: ⿱一十 etymology: pictographic
hint: A club or axe 
Click on "Try it yourself" to draw the character 干 on the grid above.
Integrated Chinese Vocabulary:
饼干 [bǐnggān]: cookies (L14-3)
干净 [gānjìng]: clean (L17-1)
Stroke Sequence:
Stroke order animation courtesy of Hanzi Writer.