To be in 'deep water' is to be trouble or in a difficult or serious situation:

Example: "The director knew he'd be in deep water if he didn't mention his wife in his acceptance speech."

"Thief don’t like to see thief carry long bag" means that a dishonest person dislikes competition from other like-minded persons.

Editor's note:  There are a few variations of this idiom found online, such as "Tief nuh like si neda man wid long bag" and "Thief neva like fi see thief with long bag", but they all express the same idea.

Can also be "go to our house" and is an expression of astonishment.

Originally a western communist who supported Stalin's authoritarianism, usually backed by tanks, the modern tankie supports pretty much any authoritarian government or dictatorship that opposes the West.

If you keep things close to the vest, you try to keep things secret or avoid taking risks.

If you keep things close to the chest, you keep things secret or take no risks.

If someone's tells you to pound sand, they are telling you to get lost.

If you read the runes, you understand what is likely to happen because of the current circumstances.

Strange and suspicious.

Example: When the security guard saw a light in the store after closing hours it seemed to him that there was something fishy going on.

Say unimportant things