The antonyms for the phrase "cease work" can be many, depending on the context. An antonym is a word with the opposite meaning of another word. In this case, the antonyms for "cease work" would be words or phrases meaning to continue, to persist or to carry on working. Examples of antonyms for "cease work" could be "continue working," "keep working," "proceed with work," "persevere in working," or "persist in work." Other possible antonyms for "cease work" might include phrases such as "never stop working," "work without rest," or "work 24/7". The choice of antonym depends on the situation and the tone of the conversation.