以 A 为 B (take A as B)
"Treat A as B"
- to use以 A for为 B = "take / regard A as B" — a formal, set frame.
- to use以to learn学习to rely mainly on为主 = "make studying the priority."
- to use以…为荣 = "take pride in …".
to use以 + A + for为 + B
- to use以…for为… assigns a role or status to A.
we我们take以quality质量as为priority主。
- to use以quality质量to rely mainly on为主 = "put quality first."
Practice
Put quality first: 以质量 ____ 主。
以 + A + 为 + B = take A as B: 以质量为主.
Practice
以…为… is a formal, set frame.
Yes — written register: 以…为主 / 为荣 / 为例.
Common fixed phrases
- to use以…为荣 (proud of), to use以…to rely mainly on为主 (mainly), to use以…used in the construction…为例 (take … as an example).
Explore
Correct or broken?
以 A 为 B fixes A in the role of B: mainly A, taking A as the example or model.
Practice
What does 以…为荣 mean?
以…为荣 = take pride in; 以…为主 = mainly; 以…为例 = for example.
Recap
Key idea
- to use以 + A + for为 + B — "take / regard A as B" (formal)
- to use以quality质量to rely mainly on为主 · to use以…为荣 · to use以…used in the construction…为例
- A set, written-style frame
Read the full reference: HSK 4 grammar — Sentence patterns.