Noun:

1. the ideology of the political left; belief in or support of the tenets of the political left

leftyn.左撇子；左翼份子adj.左手的leftadj.左边的adv.向左n.左边；左派分子；【体】左手拳动词leave的过去式和过去分词形式.Left elbow左肘left child左子段left court左场区left parse左剖析left issue遗留问题left heart[医] 左心left flank左翼left inner左锋left limit左极限Left wrist左腕

1. To sum it all up, poverty begot leftism, which in turn begot more poverty.
   总结来说，贫困引发左倾，同时左倾反过来又带来贫困。
2. We undervalued this work's difficulty seriously, and this was a leftism fault.
   我们大大的低估了这项工作的艰巨性，犯了“左”倾冒进的错误。