1. 关掉(收音机等)：tune in 收听;调谐 | tune out 关掉(收音机等) | tune up (尤指乐队)调弦;调音

2. 失调,解调：tune-in 调入,调谐 | tune-out 失调,解调 | tune-up 调准

3. 关掉：tune in 收听 | tune out 关掉 | tune up 调音

4. 调出：tune in 调入 | tune out 调出 | tune out 解调

1. 走神;开小差
If you tune out, you stop listening or paying attention to what is being said.

e.g. Whatever you're talking about, children rapidly tune out if you go beyond them…
不管你在说什么，如果孩子们听不懂，就会很快走神。
e.g. Rose heard the familiar voice, but tuned out the words.
罗斯听到了熟悉的声音，但没注意听说的是什么。