Play Right Into the Hands Expressions

Today I had a very productive conversation in English. A lot of new expressions. For example, Play Right Into the Hands and many others. All with examples and explanations.
- However he has now come around to my way of thinking.
- come around - be converted to another person's opinion
- The senator played right into the hands of her opponents when she backed that unpopular amendment to the tax bill.
- play right into the hands - act so as to give an advantage to an opponent
- The judge said that the teacher had been negligent in allowing the children to swim in dangerous water.
- negligent - not being careful or giving enough attention to people or things that are your responsibility
- She has been designated to organize the meeting.
- designate - to choose someone officially to do a particular job
- We cannot release the names of the soldiers who were killed until we have informed their next of kin.
- next of kin - the person or group of people you are most closely related to
- I think there was a conspiracy to keep me off the committee.
- conspiracy - the activity of secretly planning with other people to do something bad or illegal
- Why don't you say what you mean? Why do you always say something in a roundabout way?
- say in a roundabout way - to imply something without saying it; to say something indirectly; to speak using circumlocution