Pragmatic vagueness refers to the deliberate use of vague language in verbal communication, which is viewed as a communicative strategy and greatly reflects the speaker's metapragmatic awareness.

语用含糊既是一种特殊的语言现象，又是一种语用策略，它在很大程度上反映了说话人的元语用意识。

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Deliberate vagueness has long been used to hold the ramshackle Democratic coalition together.

ECONOMIST: Al Gore��s unruly party

The vagueness over the completion date for the Treasury's report is deliberate: it keeps the government's options open.

ECONOMIST: Britain and the euro