(1)唱(歌)(make pleasant musical sounds with one's voice;utter musical notes)[I，I+prep (to)，I+adv，T+n，T+n+prep (to)，D+n+n，D+n+prep (for)]：～beautifully/well 唱得好极了/很好;～merrily/softly/sweetly/together 快活/轻声/甜美地/一起唱歌;The birds are～ing happily in the trees. 鸟儿在树上愉快地歌唱。～to the harp/to a piano accompaniment 在竖琴/钢琴伴奏下唱歌;～(a song) for/to sb 为某人唱歌;～in/out of tune 唱得调准/走调;～in chorus/in union 合唱/同声合唱;～over one's work 边工作边唱歌;～away/up 不停/更大声地唱;～a song/a lullaby for (to)one's child 给孩子唱歌/催眠曲;～a baby to sleep/sb into good humour 唱歌哄孩子入睡/使某人心情好转;～the Old Year out and the New Year in 唱歌送旧岁，迎新年;～one's cares away 用唱歌来解除忧虑;Come and～us a song/a song for us. 来给我们唱个歌吧。

(2)发出声响(make a ringing，whistling，humming，or buzzing sound)[I，I+adv]：The kettle is～ing (away). 水壶在(不停地)咝咝响。The wind was～ing in the trees. 风在林中呼呼作响。My ears are～ing. 我的耳朵里嗡嗡响。An arrow/A bullet sang past my head. 一支箭/一颗子弹嗖地从我头上飞过。

(3)歌颂(describe or praise in or as if in song or verse)[I+prep (of)，T+n]：～of the heroes 歌颂英雄;～sb's praises/the praises of sth 歌颂某人/物;

(4)非常高兴(rejoice;exult)[I]：His heart sang for joy. 他心花怒放。

sing a different/another tune/song 改变观点(态度)：Charles said that all smokers should be expelled from the team，but he sang a different tune after the coach caught him smoking. 查尔斯说所有的吸烟者都应开除出队，但是教练抓住他吸烟以后，他的观点就变了。

sing out (v adv)大声说(喊)(vi & vt)：Don't be afraid，～out! 不要害怕，大声说!～out for help 大声呼救;～out an order 高声发布命令;

→′singer n 歌手(唱家);′singing n 唱歌，歌声，耳鸣