1.tune的基本意思是“调整”,指一物与他物之间或几个事物彼此之间的调整,以使其一致起来,和谐地工作。除指“调音”外,也指调试机器、调整情绪等。
2.tune可用作及物动词,也可用作不及物动词。用作及物动词时接名词或代词作宾语。
3.tune后接副词in表示“收听”; 后接副词out表示“调掉(收音机的干扰等),对…不予注意”; 后接副词up表示“调弦,定音; 调试”; 后接介词to表示“调到…”。

tune in(v.+adv.)
收听某电台广播 adjust a radio or TV set to pick up a station
▲tune in
Tune in to London tomorrow night at seven.明天晚7点收听伦敦电台广播。
We always tune in at ten o'clock to hear the news.我们总是在10点钟收听新闻。

tune into(v.+prep.)
和…谐调 be suitable with sth
▲tune sb into sth
◇ 用于be ～ed结构
She is not very well tuned into her surroundings.她不太适应周围的环境。

tune out(v.+adv.)
不理; 对…无反应 show no interest; allow one's attention to wander
▲tune out
When things get a bit too much, she simply tunes out temporarily.碰到事情太棘手时,她干脆暂时撒手不管。
▲tune sth⇔out
The children tuned out their mother's commands.孩子们不听妈妈的吩咐。

tune to(v.+prep.)
▲tune sth to sth
1.调到… adjust sth to
 Please tune the television set to Channel 4.请把电视机调到4频道。
We tuned our radio to the local station.我们把收音机调到地方台。
2.(使)适合 (cause to) be suitable for sth
I have managed to tune my style to the style of the journal I am now writing for.我努力使我的文体适合我所撰稿的杂志的要求。
◇ 用于be ～ed结构
The colours are perfectly tuned to each other.颜色很协调。

tune up(v.+adv.)
调弦,定音; 调试 play a few notes to see if an instrument is in tune; make (an engine) be in good condition so as to turn smoothly and fast
▲tune sth⇔up
She tuned up her piano.她调好她的钢琴。
They are tuning up a plane on the flight line.他们正在机场的飞机跑道调试一架飞机。
◇ 用于be ～ed结构
The instruments should be tuned up before each performance.每个节目开始前都应将乐器调好。

用作及物动词
▲S+～+n./pron.
A man is tuning the piano.有人在为钢琴调音。
The orchestra tuned their instruments.乐队调好了他们的乐器。
◇ 用于be ～ed结构
The machine has just been tuned.机器刚刚调整过。

［派生词］ tuned adj. 对时髦事物极敏感的,好赶时髦的‖tunesmith n. (尤指流行歌曲的)作曲者‖tuneful adj.声调优美的‖tunefully adv. 声调优美地‖tunefulness n. 声调优美‖tuneless adj.声调不悦耳的‖tuner n.无线电收音机;调音师
［同义词］ n.  air, song
［词源］＜tone(声调,音调)

sing another tune〔change one's tune〕
改变(某人的)态度change one's attitude
He sings another tune.他改变了态度。
In faces of these facts he changed his tune.在这些事实面前,他改变了态度。

to the tune of
达…之多to the sum or amount of sth
They were robbed to the tune of ￡8０００.他们被抢劫金额达8000镑之多。

The band struck up a tune.乐队开始奏乐曲。
He sang a merry tune.他唱了一个快乐的调子。
He is in tune with his company.他和他的同伴相处融洽。
The violin and the piano seem to be out of tune.钢琴和小提琴好像不合调。

tune, aria, lied, melody, song
参见melody条。