This is the 908th most frequent Chinese word.
而言
"而言" means "in terms of" or "with regard to."
Here, "而言" is used to introduce a subject or perspective, signifying "for", or "speaking of" a particular entity.
对于他而言,这个决定非常重要。
For him, this decision is very important.
The phrase "而言" here positions the topic as the context to be addressed, essentially framing what the statement relates to.
就环保而言,每个人都有责任。
Speaking of environmental protection, everyone has responsibilities.
In this sentence, "而言" is used to provide a context or frame of reference related to the qualities or stance of the subject.