If you want to express your dissatisfaction with your colleague's work attitude in a sarcastic way, you can try the following methods: 1. **Indirect questioning**: You can express your dissatisfaction through some vague statements, such as, "I really admire you for completing this task in such a short time", or, "Your work efficiency is really unique." 2. **Sarcastic praise**: You can make sarcastic compliments on your colleague's work attitude, such as, "You are really a genius, you can always come up with fresh excuses", or, "Your work attitude is really worth learning, and you can find new reasons to be lazy every day." 3. **Ironic evaluation**: You can make sarcastic evaluations on your colleague's work attitude, such as, "I really admire you for completing this task in such a short time, efficiency is really paramount", or, "Your work attitude is really worth learning, and you can find new reasons to be lazy every day." 4. **Dark humor**: You can use dark humor to express your dissatisfaction, such as, "I really admire you for completing this task in such a short time, it is a miracle of modern enterprises", or, "Your work attitude is really worth learning, and you can find new reasons to be lazy every day." 5. **Subtle suggestions**: You can make subtle suggestions while being sarcastic, such as saying, "You are such a genius. You can always come up with fresh excuses. Maybe you can try to use this genius to come up with some new solutions to improve work efficiency?" Please note that the above methods need to be adjusted according to the specific situation to avoid unnecessary conflicts. Although sarcasm can express dissatisfaction, it may also hurt the feelings of colleagues, so it needs to be used with caution.