The phrase "intense pressure" refers to a high level of stress, tension or force applied on someone or something. It can be emotional, physical or psychological and it is often used in situations where there are significant demands or expectations placed upon an individual or group. The term can also refer to external forces such as extreme heat or cold that cause discomfort or pain. In summary, intense pressure implies a situation of great difficulty or high stakes, requiring someone to rise to the challenge and overcome obstacles in order to succeed.