The idiom "cool as a cucumber" means to remain calm and composed under pressure or stressful situations. The phrase is used to describe someone who is unfazed by what might otherwise rattle others.

The idiom "in tandem" refers to two or more people working together as a team, often with equal responsibilities and roles. This can be used to describe a group of friends, co-workers, or even strangers who are united by a common goal.

The idiom "take breath away" means to be completely struck, overwhelmed, or shocked by something, especially by its beauty or emotional impact. It can also mean to remove the air from one's lungs, causing a feeling of disbelief or being taken aback.

"Word of mouth" is an idiom that refers to information or news that is spread from person to person, typically through casual conversations. It can also refer to personal recommendations or endorsements given by individuals based on their own experiences or knowledge.

The idiom "catch napping" means to surprise someone by arriving unexpectedly while they are sleeping or resting. It can also mean to take advantage of someone who is not alert or aware. The figurative meaning is to disrupt or interrupt someone's peaceful state of mind or routine.