"Wei Zeng" is an adverb, which means that a certain situation, behavior, or action has not happened in the past. Sometimes there is "over" in the second half of the sentence, which is equivalent to "never... over" and is mostly used in written language.
"No" is an adverb, indicating that a situation, behavior, action has not happened in the past, the second half of the sentence sometimes has "over", equivalent to "no ... ", mostly in written language.
"Never" is an adverb, which means that a certain situation, action or action has not happened in the past. Sometimes there is "Guo" in the latter half of the sentence, which is equivalent to "no... Guo". It is often used in written language.<br>