lose的用法包括它的其他形式(loss,lost),举例句,

loss是名词：损失,遗失,失败,输,浪费,错过
His death is a loss for us.他的死对我们来说是个损失
lose是动词；遗失,浪费,错过,输去,使失去,使迷路,使沉溺于
They lose many books just now.他们刚刚丢失了很多书.
lost是形容词：失去的,丧失的,错过的,迷惑的,不为人知的；
She was lost in the forest last night.她昨晚在森林里迷路了
同时也是lose的过去式.
词性不同,用法也就不同,跟汉语一样.

loss名词：损失
举例：suffer heavy losses 遭受重大损失
lose动词：失去 过去式，过去分词都为lost
举例：I often lose money because of my carelessness 我经常由于粗心丢钱。
lost形容词：丢失的
举例：we‘re looking for a los...