This podcast episode explores idioms used in Business English to describe situations where individuals challenge themselves beyond their current skills, emphasizing the idea that such experiences contribute to personal growth. It delves into the world of idioms related to being in difficult or overwhelming situations, highlighting the connection between water-related idioms and the feeling of being out of one's comfort zone. Additionally, it discusses the usage of idioms such as "in deep water", "in over your head" and "drowning" to express feelings of being overwhelmed, emphasizing the importance of reaching out for support and promoting a healthier work-life balance.