推荐回答（2个）
一、乐字开头的词语有乐理、乐观、乐队、乐园、乐曲、乐谱、乐土、乐于、乐得、乐子、乐团、乐歌、乐府、乐舞、乐池、乐律、乐音等。
二、基本释义
[ lè ]
1、快乐：欢乐。乐事。乐不可支。心里乐得像开了花。
2、乐于：乐此不疲。
3、笑：他说了个笑话把大家逗乐了。
4、姓（与Yuè不同姓）。
[ yuè ]
1、音乐：奏乐。乐器。
2、姓（与 Lè 不同姓）。
扩展资料
一、字形演变
二、字源解说
文言版《说文解字》：乐，五声八音緫名。象鼓鞞。木，虡也。
白话版《说文解字》：乐，五声八音的总称。
三、相关组词
1、乐观
[lè guān]
精神愉快，对事物的发展充满信心（跟“悲观”相对）：～情绪。不要盲目～。
2、欢乐
[huān lè]
快乐（多指集体的）：广场上～的歌声此起彼伏。
3、娱乐
[yú lè]
使人快乐；消遣：～场所。到歌舞厅去～～。
4、乐得
[lè dé]
某种情况或安排恰合自己心意，因而顺其自然：主席让他等一会儿再发言，他也～先听听别人的意见。他们都出去旅游了，我一个人在家也～清静。
5、军乐
[jūn yuè]
用管乐器和打击乐器演奏的音乐，因为军队中常用而得名：～队。
乐不极盘 乐不可极 乐不可言 乐不可支 乐不思蜀 乐此不倦 乐此不疲 乐昌分镜 乐昌破镜 乐成人美 乐昌之镜 乐道安命 乐道安贫 乐道好古 乐道忘饥 乐道遗荣 乐而不荒 乐而不淫 乐而不厌 乐而忘返 乐而忘死 乐祸幸灾 乐极哀来 乐尽哀生 乐极悲来 乐尽悲来 乐极悲生 乐嗟苦咄 乐极生哀 乐极生悲 乐极则悲 乐极则忧 乐山爱水 乐善不倦 乐善好施 乐善好义 乐事劝功 乐天安命 乐退安贫 乐天任命 乐天知命 乐往哀来 乐新厌旧 乐行忧违 乐业安居 乐以忘忧 乐在其中
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