Here are some ideas and techniques, but be aware that this type of expression can easily hurt others, so be sure to consider the occasion, the object, and the potential consequences when using it. 1. Use irony or exaggeration: Use superficial praise to highlight the shortcomings of the facts. For example: "Your 'originality' is really amazing. You can make ordinary things so 'different'." It sounds like praise, but it actually implies mediocrity. 2. Disguise in affirmation: First affirm some of the other party's superficial characteristics, and then imply that the actual performance is far from expectations. "You can always show people a 'unique style' in a unique way - this style is really not something that everyone can 'master'." 3. Use vague tone: Use ambiguous sentences to express the hint of "unsatisfactory", such as: "Your performance always makes people feel that sometimes ordinary things can also exude 'different brilliance'." The implication is that this brilliance may just be casual and perfunctory. 4. The context is vague and implicitly ironic: Package the other party's lack of ability into a "unique realm." For example: "You always bring us a rare sense of security with your stable 'golden mean'." On the surface, it seems to be about being steady, but in fact it implies "mediocrity". All of the above techniques are puns, innuendos or ironies, which are very dependent on the tone, scene and relationship between the two parties. It should be noted that even if such expressions are obscure, they may cause misunderstandings or hurt the object being pointed out, so when using them, we must weigh the pros and cons to ensure that they will not cause unnecessary interpersonal conflicts.