难以分解
to break down───崩溃
break down───分解；发生故障；失败；毁掉；制服；消除；分解；打破
hard down───下风满舵
break to───向…透露[说出]
to break───打破；分开
break sb down───使某人崩溃
hard to───难于
break it down───分手；慢慢讲
come down hard───强烈反对；申斥
Cellulose is hard to break down.───纤维素是很难分解的。
I hope that Spurs continue to grind out results against the teams that historically we find hard to break down.───我希望热刺能够面对一些强队打出历史性的好成绩。
Martin's father worked hard to break down the barriers between the RACES.───马丁的父亲致力于消除种族隔阂。
Profile: Well-organized and very hard to break down, North Korea works hard and each player gives everything for the team.───简评：组织严密、作风顽强、兢兢业业，每名球员都为球队奉献了一切。
These chemicals were detected in small quantities, but they are hard to break down so they tend to accumulate in nature to dangerous levels.───尽管这些化学物质被检测出的剂量少，但是因他们难以被分解而容易在自然界中聚集到足以产生威胁的水平。
Milito also hailed the strength of Inter's defense, claiming rivals teams will find it hard to break down.───米利托同时赞扬了球队的后方实力，并称对手们将会发现很难突破我们的防线。
In 2011, I hope that Spurs continue to grind out results against the teams that historically we find hard to break down.───2011年，我希望热刺能够面对一些强队打出历史性的好成绩。
It's hard to break down old prejudices.