rhetoric

noun

1. study of the technique and rules for using language effectively (especially in public speaking)

2. loud and confused and empty talk

e.g. mere rhetoric

Synonym: palaverhot airempty wordsempty talk

3. high-flown style
excessive use of verbal ornamentation

e.g. the grandiosity of his prose
an excessive ornateness of language

Synonym: grandiositymagniloquenceornatenessgrandiloquence

4. using language effectively to please or persuade

1. 花言巧语;华丽的词藻;浮夸之词
If you refer to speech or writing as rhetoric, you disapprove of it because it is intended to convince and impress people but may not be sincere or honest.

e.g. What is required is immediate action, not rhetoric...
需要的是立刻采取行动，而不是说些华而不实的空话。
e.g. The harsh rhetoric had so soured officials that the two sides were barely speaking.
激烈的言辞让官员们关系如此恶化，双方几乎不怎么说话。

2. 修辞;修辞学
Rhetoric is the skill or art of using language effectively.

e.g. ...the noble institutions of political life, such as political rhetoric, public office and public service.
政治生活中高尚的惯例，如政治雄辩术、公职和公共服务