What Is in Hand?

In hand can be used to say that something is under control. If there's a bad situation and er the security take control of the ation, they can say  the security guards have got the situation in hand. Another way we can use it is to says that something is in progress. We had warms our heart, causes positive and happy feelings. And we had glorious rebuke, admirable act of criticising someone's words or actions. Now, could you recap the vocabulary and expressionsh we've been talking about to day? Of course i can.