Obscure: not well known; to make it difficult to see, hear or understand...

Opalescence: the color like an opal. Mirage: an effect caused by hot air...

Festoon: a chain of lights, colored paper, flowers, etc., used to decora...

Warp: to become, or make sth become, twisted or bent out of its natural ...

Clamber: to climb or move with difficulty or a lot of effort, using your...

In 1947, Andy, the banker, was sentenced to life imprisonment for murder...

Leverage: the ability to influence what people do Mastery: great knowled...