不了解

He has no comprehension of the seriousness of his financial problems.

他不了解他的财务问题有多严重。

I confess that I cannot understand it.

我承认我不了解。

Connie : I've seen him at the station, but I don't know him.

康妮：我在电视台见过他，但我不了解他。

The court judgment finally, China's ShenPanTuan suffered a setback, facing the challenges and all the judges of the prejudice and bewilders, judges and prosecutors in China with their shoes, overcome to the laws of the United States does not understand the various factors, the court debate in the upper hand.

大审判终于开庭了，中国的审判团遭受了种种挑战和挫折，面对各国法官们的偏见与刁难，中国法官和检察官们与他们斗智斗勇，克服了对美国法律不了解的种种不利因素，在庭审辩论中取得了上风。

MR. CRAWFORD: I don't understand.

我不了解。

CRAWFORD: I don''t understand.

我不了解。

I don't know much about this crazy crazy world, but I do know this.

我不了解这个疯狂的世界，但是我知道

We're not sure what it's going to do, but it may cripple the system.

我们还不了解它的作用不过有可能会侵害我们的系统

I don't know Cris but Alex is really strong.

我不了解克里斯，但阿莱士真的很强。

She spent almost 50 years in cryogenic stasis, has no knowledge of her past.

她在低温的休眠状态过了50年，对她的过去一点也不了解。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。