1. Extensive reading: Reading is one of the best ways to improve language expression. CCTV hosts usually spend a lot of time reading various types of articles and books, from which they learn and absorb various expressions and skills.

2. Precipitation experience: CCTV hosts usually need to practice and perform constantly on the stage and accumulate a lot of hosting experience. In this process, they constantly sum up experience, improve their skills and gradually hone their language skills.

3. Determine the theme and content: Before hosting a program, CCTV hosts usually conduct in-depth research and preparation on the theme and content, including collecting information, sorting out ideas, and preparing speeches. This can make them express themselves more smoothly, confidently and accurately.

4. Be good at using language skills: CCTV hosts usually master various language expression skills, such as metaphor, exaggeration and contrast. When expressing, they can use these skills flexibly to make the language more vivid and interesting.

5. Pay attention to pronunciation and intonation: CCTV hosts pay attention to the training of pronunciation and intonation, and can flexibly adjust pronunciation and intonation in different occasions and different expression needs to make the expression more vivid and powerful.

6. Continuous learning and improvement: CCTV hosts pay attention to the continuous learning and improvement of language expression ability, participate in various language training and professional training, constantly explore and try new expression methods and skills, and constantly improve their language expression ability.