be tuned in

(informal)be aware of, sensitive to, or able to understand something

(非正式)意識到；對…敏感；能理解

it's important to &B{be tuned in} to your child's needs.

理解你孩子的需要是重要的。

call the tune

it's important to &B{be tuned in} to your child's needs.

理解你孩子的需要是重要的。

change one's tune

it's important to &B{be tuned in} to your child's needs.

理解你孩子的需要是重要的。

in (或out of) tune

with correct (or incorrect) pitch or intonation

合（或不合）調

there's many a good tune played on an old fiddle

(proverb)someone's abilities do not depend on their being young

(諺)舊琴拉佳曲（指一個人的能力并不取決于他的年輕）

tune something out

exclude a sound or transmission of a particular frequency

濾波

tune something up

adjust something so that it performs at its most efficient

調整，調節（以達最佳性能）

tune in

&I{Electronics} To adjust a receiver to receive signals at a particular frequency or a particular program.

&I{【電子學】} 調整頻率（以接收）：調整接收器來接收特定頻率的信號或特定的節目

&I{Slang} To make or become aware or responsive

&I{【俚語】} 注意，覺察到：使或變得明白或了解

“Nobody tunes in to what anybody else is saying”(&b{Bruce Allen})

“沒有人注意別的人在說什么”(&b{布魯斯·艾倫})

tune out

&I{Electronics} To adjust a receiver so as not to receive a particular signal.

&I{【電子學】} 調出：調整接收器以不接收特定的信號

&I{Slang}

不注意；忽略

“The average reader, used to seeing the world in three-dimensional color, tunes out”(&b{Carlin Romano})

“那些習慣于以三維色彩觀察世界的普通讀者與環境隔絕”(&b{卡林·羅馬諾})

tuned out the children's screaming.

對于孩子們的尖叫不予理睬

tune up

&I{Music} To adjust an instrument to a desired pitch or key.

&I{【音樂】} 調弦，調音：給樂器調音以達到所期望的音高或音調

To adjust a machine so as to put it into proper condition.

調節（機器等）：調整機器使其處于正常的工作狀態

To prepare (oneself) for a specified activity.

熱身，準備活動：為某一特殊活動做準備

to the tune of

To the sum or extent of

達…之多，共計

produced profits to the tune of about $20 million.

創利潤達2億美元之多