be fast unfolding; be in the ascendant (/in full swing/on the ascent); be still growing (/making progress);on upgrade; on the upward surge; rising
❍ 然而对方的声势，却～，似乎闹得更凶，范围也更大了，…… (罗广斌、杨益言 《红岩》110) The protest campaign was still growing in scope and intensity.
方兴未艾
be on the uprising (or in the ascendant);be unfolding
民族解放运动～。The national liberation movement was unfolding rapidly./信息产业～。The information industry is witnessing rapid growth./旅游业～。The tourist industry is on the upswing.
方兴未艾fānɡ xìnɡ wèi ài
方：正在；兴：兴起；艾：停止。指事物正在发展，一时不会停止。be just unfolding, be in the ascendant, developing vigourously, in full swing, be rising still higher