1. 收听;调谐：try out (彻底)试验 | tune in 收听;调谐 | tune out 关掉(收音机等)

2. 收听：tundra 苔原 | tune in 收听 | tune out 关掉

3. tune in

3. 调入,调谐：tune 调谐 | tune-in 调入,调谐 | tune-out 失调,解调

4. 调谐,收听：Follow the trail 顺着足迹 | Tune in 调谐,收听 | Feel at ease 感到安心,自在

1. 收听;收看
    If you tune in to a particular television or radio station or programme, you watch or listen to it.

    e.g. More than six million youngsters tune in to Blockbusters every day...
           每天有 600 多万年轻人收看“热门大片”这档节目。
    e.g. The idea that people plan their radio listening is nonsense; most tune in impulsively.
           认为人们有计划地收听广播的观点完全是无稽之谈，大部分人是随意收听。

2. 开始注意;开始了解
    If you tune in to something such as your own or other people''s feelings, you become aware of them.

    e.g. You can start now to tune in to your own physical, social and spiritual needs.
           你现在可以开始关注自己的生理、社交与精神需求。

1. regulate (a radio or television set) in order to receive a certain station or program