context

n. 上下文
n. 环境,背景

It is usually easier to pick out the meaning of a phrase in a given context.

在特定的上下文中理解一个短语的含意往往要更容易些。

The determination of the meaning of a word is often difficult without a context.

脱离上下文来确定一个词的含义常常是困难的。