break down 与 be broken 的区别

eak down1。(机器等)发生故障,失灵,失效,出毛病,坏掉,损坏：例句:The car broke down汽车坏了。2。坍塌；崩溃,例句:The bridge broke down in last earthquake。那座桥在上次地震中坍塌了。3。。中断,中止,停顿,破裂：例句:Talks have broken down over the disputed territory。对有争议的领土问题的谈判破裂了 。4。(使)感情上失去控制,不能抑制感情,放声痛哭起来,情不自禁地痛哭起来：例句:She broke down and wept at the sad news。她控制不住感情,为此噩耗而哭泣。to break down in tears放声哭5。(在健康或精神等方面)(使)垮掉,垮下来,(健康等)变得衰弱,衰弱下来,(由于过度忧愁或工作而)精神不支,(体力、精神)支持不住：例句:His health has broken down because of working too hard。他因工作过度劳累,身体垮下来了。6。制服,克服；镇压,压倒(对方等)；(使)减轻,(使)缓和：例句:Some people experience shyness as a barrier to communication,but this can be broken down gradually。有些人觉得羞怯成为交际上的障碍,但这是可以逐渐克服的 。7。分成若干部分；把(化合物等)分解；把(机器等)拆散,拆开(以便贮藏或运输):例句:to break down a beef carcass into basis cuts把牛肉畜体分切成几大块to break down a substance into its components把某种物质分解成各种成分8。把(成本、总数等)分成细目；把(统计资料)分类；分析,对…分类；可被分析,可分类：例句:to break down a hotel bill into daily charges把旅馆账单归入日常费用类9。打破,破除；毁掉；拆除,拆毁,摧毁,捣毁；破坏；使无效：例句:I had to break the door down because I lost the key。因我丢了钥匙,不得不把门打破。10。彻底失败,不成功11。证明…不可信,驳斥12。使(橡胶)软化；冲淡…的浓度13。【电子学】(电路、电子管等)绝缘击穿14。把(原木)切小以便在锯床上锯；把(原木)锯成四角木材15。因事故把(锯床或机器)停下来BE BROKEN1。坏了2。摔坏3。损坏那个be broken应该是被动语态的坏了吧……