This co-hosted Business English podcast episode focuses on the informal phrase "big time" and its various uses in professional settings. The hosts discuss its meaning (to a great extent, significantly), its casual nature, and provide alternative, more formal phrasing like "significantly" or "in a major way." They illustrate usage through examples in different contexts (e.g., describing improved skills, a major asset, or reaching career success), including a role-play scenario in a startup environment. Listeners gain practical advice on using "big time" appropriately and learn alternative phrases for more formal situations, enhancing their business English communication skills. The episode also suggests exploring episode 350 for further vocabulary on brevity.