had a handle on是什么意思_怎么读

had a handle on

1.Eighty percent of parents had a handle on at least one of the triggers that worsened their children's asthma.80%的父母至少知道一种使孩子病情恶化的诱因。

2.But as Merrill's $2. 3 billion third-quarter loss demonstrated, O'Neal and his team never had a handle on the risks of subprime lending.美林第三季23亿美元的亏损说明，奥尼尔和他团队从来没有明白过次优抵押贷款方面的风险。

3.And besides, his audience had some confidence that he had a handle on the situation.此外，他的听众有一定的信心，认为他对当前形势有把握。