23.The second man reflected for a moment，then murmured，…（Para.12）
murmur：v.make a soft sound，esp.to speak or say in a quiet voice
She switched on a desk lamp，and quickly scanned what she had just written，murmuring to herself.她打开桌上的台灯，迅速浏览了一下自己刚才所写的东西，一边低声自语着。
Every few years，people in industrial circles murmur about what would happen if supplies were cut off，for political or commercial reasons.每隔几年工业界人士就会嘀咕，如果由于政治或商业原因供给被切断会怎么样。
n.a low，indistinct，continuous sound; an indistinct，whispered，or confidential complaint
There were murmurs of both assent and dissent.同意和不同意的咕哝声都有。
She took the punishment without a murmur.她接受了惩罚，没有丝毫抱怨。
24.No official decree will produce the kinds of changes that we know are necessary.（Para.13）
Meaning： No government order will result in the kinds of changes we know we need.
25.Only if we act from a voice that reflects our worth，will education see the changes it has been seeking for so many decades.（Para.13）
Meaning： Education will change in the ways it has wanted to for many decades，only if we listen to and act according to our own value.
26.Then，and only then，will we be able to stand tall and proud，worthy of the name"teacher".（Para.13）
Meaning： Only then can we be proud of ourselves and deserve the name of"teacher".
27.Yet the indignant voice continues.（Para.15）
Meaning： Yet the angry voice continues.，Yet the voice continues to speak up against what is unfair.
indignant：a.expressing or feeling great anger
His tone became more confident，slightly indignant.他的音调变得越发自信，还有一点愤怒。
I felt indignant that she'd spoken to me like that.她那样跟我说话使我感到愤怒。
28.I can't plan really effective lessons or design hands—on materials with one 45—minute planning period a day and a 20—minute lunch and at the same time serve my 130 students.（Para.15）
Meaning：I can't plan lessons that really work or design practical materials with only a 45—minute period each day to plan and a 20—minute lunch and at the same time take care of my 130 students.
29.I can't implement new critical thinking programs，set up cooperative learning groups，meet with parents，fill out form after form and stagger home night after night with still three hours of work to do.（Para.15）
Meaning：I cannot carry out programs that teach students to think independently，start learnig groups based on teamwork，meet with parents，fill out form after form and walk home in a clumsy and tired way night after night with still three hours of work to do.