①“more than＋名词”表示“不仅仅，不只是”，强调后面的名词。
Liu Huan is more than a singer. He is a teacher, too.
刘欢不仅是一个歌手，他也是一名教师。
②“more than＋形容词/副词/动词”表示“极其，非常，很”，相当于very，extremely。
She more than hesitated to promise that.
她勉强答应了那件事。
The store is more than happy to deliver goods to your home.
本店很乐意为您送货上门。
③“more than ＋含can(could)的从句”意思是“使……难以……”、“不能，远非……”，表示超出某人力量、知识等的范围，含否定意义。
The beauty of the place is more than I can describe.
这地方太美了，简直使我无法形容。
④“more...than”这种结构其意义是肯定more后面的词而否定than后面的词。可译为“比……更”或“与其说……不如说……”。
She is more diligent than clever.
与其说她聪明，不如说她勤奋。
⑤“no more than+数词”意为“仅仅;只有”,相当于only;“not more than+数词”意为“不超过……;至多”,相当于less than,at (the) most。
We have studied no more than three English books.
我们只学了三本英语书。
2. By the time he was 14, Mozart had composed many pieces for the harpsichord, piano and violin, as well as for orchestras.
莫扎特到14岁的时候,不仅已经谱写了许多管弦乐曲,还谱写了许多拨弦键琴曲、钢琴曲和小提琴曲。
by表示时间“到……为止”，常用于过去完成时和将来完成时中。
By the time I got there, the meeting had been on for half an hour.
我到的时候会议已经开始半个小时了。
By the time you reach the station, the train will have left.
你到车站的时候，火车可能都已经走了。
by the time引导的时间状语从句，一般有以下几种情况：
by the time+一般过去时，主句一般用过去完成时。
by the time+一般现在时，主句一般用将来时或将来完成时。
by the end of+过去时间，谓语部分用过去完成时。
by the end of+将来时间，谓语部分用将来完成时。