[偏, piānㄆㄧㄢ] one-sided; to lean; to slant; prejudiced; inclined to one side; the left-hand side of split Chinese character, often the key or radical#1880
[偏偏, piān piānㄆㄧㄢ ㄆㄧㄢ] (indicates that sth turns out just the opposite of what one would expect or what would be normal); unfortunately; against expectations#7054