翻译一些句子用英文。

1.slow down a bit
2.please keep a constant speed, don't speed up or slow down.
3.you hit the wrong note.（这样说太没礼貌了）
这儿没看懂：左手4，5指弹清楚？指的是什么？
这个地方不要滚过去：this part,the notes aren't connected by a slur so seperate each note. slur:连线。
5.there are five lines in the Staff,this note is...Staff:五线谱
注： 我们叫do re mi fa so la ti do，外国人都叫C D E F G A B C.
6.this (sign) is a sharp.
7.this (sign) is a flat
8.make each measure clear.（外国人没这样说的）measure,小节。
9。let me teach you how to read music. 这样说就行了。
（你是初中音乐老师吧？还有别的音乐翻译问题也可以问我）

One speed and then slowed down 2 points to maintain this speed, not to suddenly slow speed suddenly. 3 of this bond, you, you talk about the mistake. Left-handed shells 4,5 refers to clear, not to roll over. 5 music has five lines, in this musical alphabet line 6 of the notes are up 7 of the notes are flat. 1 1 8 clear rounds. 9 Let me teach you to know 5 line spectrum.