I lost no time (in) following up the idea.我要赶紧跟进这个想法。
The opportunity was lost to him.他失去了机会。
His laziness lost him his job.他的懒惰使他失去了职位。
He has lost his pen for a week.第一句的表达方式是错误的,后面两句的表达方式是正确的。