“从上下文”常见的英文表达有 "from the context" 或 "based on the context"。
From the context：直接强调从文本或情境中获取信息。例如：
We can infer the meaning of the word from the context.（我们可以从上下文中推断出这个词的含义。）
Based on the context：侧重于以上下文为依据进行分析或判断。例如：
His decision was made based on the context of the situation.（他的决定是根据当时的情况做出的。）