在⋯⋯上/下/中
Explanation
在⋯⋯上/下/中是汉语中常用的介词结构，分别表示在某个方面/基础上、在某种条件/影响下、在某个范围/过程中。
在⋯⋯上/下/中 is a common prepositional structure in Chinese, indicating 'on/in terms of' (上), 'under the condition/influence of' (下), and 'in the range/process of' (中) respectively.
Examples
在这件事情上，最好多听听父母的意见
When it comes to this matter, it's best to listen more to your parents' opinions.
在他的影响下，我喜欢上了中文。
Under his influence, I fell in love with Chinese.
在这篇课文中，我们一共学了三十个生词。
In this lesson, we learned a total of thirty new words.
Related Grammar Points
看来HSK 4四25
短语 · 其他
“看来”用于根据观察或已知信息做出推测或判断，表示说话人认为某事很可能如此。
"看来" is used to make a conjecture or judgment based on observation or known information, indicating that the speaker believes something is likely true.
Examples (3)
看来他是个好人。
It seems that he is a good person.
看来明天不会再下雨了。
It seems that it won't rain tomorrow.
看来这次考试他能通过。
It seems that he can pass this exam.
来得及/来不及HSK 4四26
短语 · 其他
“来得及”表示时间充足，有足够的时间做某事；“来不及”表示时间不够，没有足够的时间做某事。
‘来得及’ means there is enough time to do something; ‘来不及’ means there is not enough time to do something.
Examples (4)
你别着急，时间来得及。
Don't worry, there is still enough time.
现在刚六点半，你马上去还来得及。
It's only 6:30 now; if you go right away, you'll still make it in time.
来不及了，我们快走吧。
It's too late; let's hurry up.
时间还早，不会来不及的。
It's still early; we won't be too late.
说不定HSK 4四27
短语 · 其他
表示推测，意为“可能”、“也许”，用于表达不确定的判断或猜测。
Used to express speculation or uncertainty, meaning 'maybe' or 'possibly'.
Examples (3)
下雨了，说不定他今天不来了。
It's raining, so he might not come today.
这件事说不定就是他干的。
This might have been done by him.
今年能不能去中国现在还说不定。
Whether we can go to China this year is still uncertain.
一般来说HSK 4四28
短语 · 其他
“一般来说”用于表示普遍情况或一般规律，引出通常的情况但不排除例外。“一+量词+比+一+量词”结构表示程度逐渐加深，强调随着数量或次数的增加，某种性质或状态也在增强。
"Generally speaking" is used to indicate a general rule or common situation, introducing what is typically the case while allowing for exceptions. The "one [measure word] + 比 + one [measure word]" structure expresses a progressive increase in degree, emphasizing that a quality or state becomes stronger as the quantity or frequency increases.
Examples (7)
一般来说，选手参加了比赛是不能退出的。
Generally speaking, once a contestant has entered the competition, they cannot withdraw.
一般来说，这么重要的场合他是不会迟到的。
Generally speaking, he would not be late for such an important occasion.
一般来说，跟青年人相比，老年人的经验更丰富。
Generally speaking, compared with young people, older people have more experience.
【四29］一+量词+比+一+量词
【Grade 4, Item 29] The structure "one [measure word] + 比 + one [measure word]"
这些球鞋一双比一双好看。
These sneakers are more and more attractive, one pair after another.
他的演出一次比一次精彩。
His performances become more and more wonderful with each one.
天气一天比一天暖和。
The weather gets warmer and warmer day by day.
（自）⋯⋯以来HSK 4四30
短语 · 其他
表示从某个时间点开始持续到现在的动作或状态，常与'一直'等词搭配使用。
Indicates an action or state that started at a specific time and continues to the present, often used with words like '一直'.
Examples (3)
自去年以来，我一直生活在北京。
Since last year, I have been living in Beijing.
上大学以来，他一直坚持学习中文。
Since entering university, he has continued to study Chinese consistently.
自有了孩子以来，她每天都很忙。
Since having a child, she has been busy every day.
由⋯⋯组成HSK 4四31
短语 · 其他
用于说明某事物由哪些部分或元素构成，结构为'由+组成部分+组成'
Used to describe what something consists of, followed by the components or elements that make it up.
Examples (3)
我们班由两位老师和二十位学生组成。
Our class consists of two teachers and twenty students.
这篇文章由三个部分组成。
This article is composed of three parts.
这张试卷是由十道选择题和一道写作题组成的。
This exam paper is made up of ten multiple-choice questions and one writing task.