'Arigato Gozaimasu' is a Japanese phrase that means 'Thank you very much' in English. It is a polite and formal way to express gratitude. In Japanese, 'arigato' is a more casual form of 'thank you', while 'arigato gozaimasu' is used in more formal situations, such as when speaking to someone older or of higher status. You can use 'arigato gozaimasu' to express thanks for a gift, a service, or any act of kindness.