He acts so
immaturely, always arguing with his siblings over toys.
他表现得如此不成熟，总是和兄弟姐妹为玩具争吵。
She's still behaving like a child, expecting others to do everything for her.
她还是一副小孩的样子，什么事都依赖别人做。
His constant jokes and pranks show his immaturity in dealing with serious situations.
他在处理严肃事情时总是开玩笑和恶作剧，显示出他的不成熟。
It's disappointing that he hasn't grown up emotionally after all these years.
这么多年过去了，他还未在情感上成熟起来，真是令人失望。
The teenager refused to take responsibility for his actions, displaying an
immature mindset.
这名青少年拒绝为自己的行为负责，表现出不成熟的心态。
The group of friends decided to go on a camping trip despite their lack of experience, which proved to be quite
immature.
尽管缺乏经验，这群朋友还是决定去露营，这显示出了他们的不成熟。
His inability to handle conflict without getting angry indicates an
immature emotional response.
他在冲突中无法保持冷静，显示出情绪上的不成熟。
She's been acting
immaturely since she didn't get the promotion she was hoping for.
自从没得到期待的晋升后，她一直表现出不成熟的行为。
The parents need to teach their child the importance of responsibility and independence, as they're being overly indulgent.
父母需要教导孩子责任和独立的重要性，因为他们过于溺爱，让孩子显得不成熟。
After a heated argument, it became clear that both parties were still operating from an
immature level of communication.
经过激烈的争论，双方显然都还在使用不成熟的沟通方式。
Lithium mines in Qinghai face challenges such as high magnesium-to-lithium ratios, low lithium content and immature lithium extraction technologies.
青海的锂矿面临着镁锂比高、锂含量低和锂提取技术不成熟等挑战。
In China, the vast yet immature hospitality market is coveted by like-minded players from H Chain Hotel backed by Huazhu Hotels Group to India-headquartered Oyo.
The plan to buy Wanda Pictures, however, failed due to “immature situations”, according to the company.
In developing countries where institutions are still immature, the State can play a very important role.
This is because the development of the enterprises is immature, and their business models are still being explored.
Since the fourth industrial revolution is still in its infancy and many technical applications are immature, Sun said the instability of certain new technologies can lead to higher initial investments and trial costs.
"With its less than optimal location and immature surrounding facilities and transportation, most business travelers will still prefer to take flights from the capital airport.
"The backwardness of Chinese consumers' spending on rehabilitation showed that the domestic medical rehabilitation industry is still quite immature, and the public awareness, equipment, talent and industry chain remain at a primary level," said a report from online market research consultancy Qianzhan.
But its arrival came too early, when the market was still immature, so it did not generate expected results for the carmaker, analysts said.
cn report quoted Hao as saying: "New energy vehicle is an immature industry, whose products are yet to be perfected.
64.3 percent of the respondents were worried about the lack of charging facilities, 52.5 percent about the battery endurance, and 24.5 percent thought NEV technology was immature.
Duke University mechanical engineering professor Missy Cummings said the recent Uber and Tesla crashes show the "technology they are using is immature.
When advancing 5G network construction, more attention should be paid to global market risks confronted by industrial and supply chains, Yang said, adding problems such as immature business modes, cutthroat competition in semiconductor chips and key electronic components still exist.
杨表示，在推进5G网络建设的过程中，应更多关注产业链和供应链面临的全球市场风险。他补充道，诸如商业模式不成熟、半导体芯片及关键电子元件领域的激烈竞争等问题依然存在。
Ren Aiguang, an official with the MIIT, mentioned China's VR industry has also faced obstacles despite rapid growth, such as an immature business model and shortages of professional and versatile talents.
The paper also discussed the application of AI technologies in areas like daily consumption, finance and healthcare industries, and pointed out that the lack of top technology talents, the immature AI ecosystem and issues regarding AI ethics will be major hurdles for the industry's development.
"We still face problems such as the lack of supervision, immature technologies and the hiatus between demand for, and supply of, blockchain talents," Wei added.
Analysts from Haitong Securities cautioned to investors in a research note that the technologies of blockchain and cryptocurrency are still quite immature.
China's immature credit ratings industry will face fierce competition against the international giants, requiring a much stronger regulatory system to foster domestic high-quality services, they said.
In Chen's opinion, another reason why FIIs are flocking to the Chinese bond market is that they find it easy to make money from China's immature market facing a relatively low level of Chinese investors.