The workers were in complete ignorance of the managers' plans.
工人们对管理部门的计划一无所知。
The mother was in complete ignorance of her son's books. She said he had been scribbling most of the time away.
妈妈对她儿子的书一无所知，她说儿子整天乱写，浪费了大部分时间。
It is very important to impose anchoring force in lots of engineering projects in China. However, it is in a state of complete ignorance of corrosion failure and antisepsis of anchor cables.
我国很多工程对施加锚固力较为重视，对锚索的腐蚀破坏与防腐缺乏认识。
It is very important to impose anchoring force in lots of engineering projects in China. However, it is in a state of complete ignorance of corrosion failure and antisepsis of anchor cables.
我国很多工程对施加锚固力较为重视，对锚索的腐蚀破坏与防腐缺乏认识。
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