She
overestimated the difficulty of the project, assuming it would be completed within a week.
她高估了项目的难度，以为一周内就能完成。
The athlete underestimated his opponent's speed, which led to his loss in the race.
运动员过高估计了对手的速度，结果导致比赛失利。
The company
overestimated the market demand for their product and ended up with a surplus.
公司过高估计了产品的市场需求，最终造成了库存积压。
He
overestimated his ability to learn a new language quickly, which delayed his progress.
他过高估计自己快速学习新语言的能力，这反而阻碍了他的进步。
The investor
overestimated the potential returns on her stock investment, leading to significant losses.
投资者对股票投资的潜在回报估计过高，结果遭受了重大损失。
The teacher consistently
overestimated her students' comprehension, which affected their learning outcomes.
老师总是过高估计学生的理解能力，这对他们的学习效果产生了影响。
She
overestimated her cooking skills and attempted a five-star recipe, but it turned out to be a disaster.
她对自己的烹饪技术估计过高，尝试做五星级菜肴，结果却是一场灾难。
The project manager
overestimated the available resources, causing delays and budget issues.
项目经理过高估计了可用资源，导致项目延期和预算问题。
Many beginners underestimate the time and effort required to master a musical instrument.
许多初学者低估了掌握乐器所需的时间和努力。
The government initially
overestimated the economic growth rate, which led to unrealistic policy decisions.
政府最初过高估计了经济增长率，导致了不切实际的政策制定。
"People today may think this figure is very high, but sometimes we overestimate the technology iteration in two to three years and underestimate the changes brought by technology or products in more than 10 years," Xu said.
徐说：“现在的人们可能认为这个数字很高，但有时我们高估了两三年内的技术迭代，低估了10多年内技术或产品带来的变化。”。
"People today may think this figure is very high, but sometimes we overestimate the technology iteration in 2-3 years and underestimate the changes brought by technology or products in more than 10 years," Xu said.
徐说：“现在的人们可能认为这个数字很高，但有时我们高估了2-3年的技术迭代，低估了10多年技术或产品带来的变化。”。
"It is hard to overestimate how big a change joining the WTO has brought to China in basically any respect, especially in terms of personal income, quality of life and opportunities for young people in China," he said.
“很难过高估计加入WTO对中国在几乎所有方面，尤其是个人收入、生活质量和年轻人机遇方面所带来的巨大变化，”他说。
Some institutions have overestimated the size of implicit debt as they forget some local government financing vehicles are market entities with healthy cash flows and their debts will not likely default, Qiao said, adding regions like Guangdong province and Shanghai have already finished defusing the hidden local government debt risk.
This shows that PMI readings have overestimated economic recovery momentum.
"People today may think this figure is very high but sometimes we overestimate the technology iteration in two to three years and underestimate the changes brought by technology or products in more than 10 years," Xu said.
Analysts, however, warned that electric startups shouldn't overestimate the importance of their IPOs.
In hindsight, the government rushed to the "normalization" of macroeconomic policy from 2010 to 2011 as it overestimated the risk of inflation and asset bubbles.
The extent that QE helps with economic recovery should not be overestimated.
"The room for greater fiscal policy support should not be overestimated," said Tao Chuan, chief macroeconomic analyst with Shanghai-listed Soochow Securities.