帮我这些语句翻译成英语？

1：我看不到(主要是多媒体和黑板)
Excuse me. I can't see (the blackboard/screen).

2我不明白(不知道英语是什么意思)
Sorry I don't understand.

3我不会回答(问问题不会)
Sorry I don't know the answer.

4我听不懂(老师讲的鸟语)
Sorry I don't understand.

1.I can't see the ....(blackboard...)
2.I don't understand it.
3.Sorry, I have no idea.
4.I don't understand it.

1. I cannot see the screen(多媒体荧幕） /blackboard（黑板） clearly.
2. I cannot understand this word（单词）/sentence（句子）/paragraph（段落）.
3. I cannot answer the question./I do not know how to answer the question./I have no idea about the question.
4. I cannot understand what are you talking about. I do not know what are you talking about.

1 I can't see (mainly multimedia and Blackboard)
2 I do not understand (I do not know what mean in English)
3 I will not answer (do not ask questions)
4 I can't hear clearly (what the teacher talks is bir