The idiom "go to the dogs" means to let things deteriorate or to go into decline. It can also mean to be willing to do whatever it takes to achieve a goal, even if it means taking risks or making sacrifices.

The idiom "from time to time" means occasionally or irregularly, without a fixed schedule. It is used to describe something that happens infrequently or intermittently.

The idiom "smell a rat" means to discover or suspect something fishy or wrong about a situation or person. It is often used when someone has found out that someone else has been dishonest or deceitful.

The idiom "love rat" refers to someone who has a romantic relationship while also being romantically involved with someone else. It suggests that the person is not faithful or committed to their current partner, as they are juggling multiple romantic relationships simultaneously.

The idiom "roaring trade" refers to a business that is doing very well and experiencing significant success, often through high sales or profits. It can also indicate that the market for a particular product or service is growing rapidly.