from

The preposition 'from' indicates origin, source, or starting point in space, time, or sequence; it expresses separation, removal, or distinction, denotes cause, reason, or motivation, specifies material or composition, establishes ranges or differences, and marks agency, prevention, or basis for judgment.

• 🇨🇳介词，表示来源、出处或起点（空间、时间、顺序上的起始）；表示分离、去除或区别；表示原因、动机或依据；表示材料或构成；表示范围或差别；也表示施动者、防止或判断的依据。

1. Origin or source (place, person, thing) A1 formal

   Indicates the place, person, or thing from which something originates, is received, or is derived

   • She is from Canada
   • I received a letter from my friend
   • This quote is from Shakespeare

   🇨🇳从、自、来自

2. Starting point in time or sequence A1 formal

   Marks the beginning of a period, event, or sequence from which something continues or is measured

   • The shop is open from 9 AM
   • From now on, I'll be more careful
   • Prices range from $10 to $50

   🇨🇳从，自，始于

3. Separation, removal, or distance A2 formal

   Expresses physical or figurative distance, separation, or removal of one thing from another

   • Keep away from the edge
   • He was removed from his position
   • The village is far from the city

   🇨🇳从，离开，远离

4. Cause, reason, or motivation B1 formal

   Indicates the cause, reason, or motivation behind an action, state, or feeling

   • She was trembling from fear
   • He succeeded from hard work
   • The accident resulted from carelessness

   🇨🇳因为，由于

5. Material, composition, or transformation B1 formal culinary

   Specifies the original material, substance, or state from which something is made, formed, or changed

   • Wine is made from grapes
   • The statue was carved from marble
   • Water can be changed from liquid to ice

   🇨🇳由、用（材料构成或转变）

6. Difference, distinction, or contrast B2 formal

   Used to highlight a difference, distinction, or contrast between two or more entities

   • I can't tell one from the other
   • There's a big difference from last year
   • She distinguished fact from fiction

   🇨🇳与……不同，相对于，与……对比

7. Prevention, protection, or exemption B1 formal medical

   Indicates that someone or something is protected, exempted, or prevented from a particular action, state, or consequence

   • Vaccines protect people from disease
   • He was exempted from military service
   • She refrained from commenting

   🇨🇳免受，免于，防止

8. Range or span (with 'to') A2 formal

   Used with 'to' to express a range, span, or spectrum between two points, values, or extremes

   • Temperatures vary from -10 to +30 degrees
   • The audience ranged from children to seniors
   • Prices start from $5

   🇨🇳从……到，在……范围内

9. Agency in passive constructions C1 formal art

   Used in passive voice to indicate the agent or source performing the action (less common than 'by')

   • He is known from his writings
   • The song is adapted from a poem
   • This theory derives from earlier research

   🇨🇳被动句中的施事者

10. Basis for judgment, inference, or perspective B2 formal

    Indicates the basis, evidence, or perspective from which a conclusion, judgment, or observation is made

    • From what I hear, he's doing well
    • Judging from his expression, he was surprised
    • From my point of view, this is the best option

    🇨🇳根据，从……来看