一、字词

1. I put Rodrick's new headphones on and cranked up the volume really high.

crank: 动词，转动曲柄移动；使弯曲。名词：思想/行为古怪的人。
例：Lots of cranks phoned the police confessing their guilt.

2. Dad marched me up to my room and shut the door behind him.

march: 动词，前进/行进；依然决然地走(march up to); 游行抗议。当为名词时，M大写，March表示月份，3月。
例：She marched up to court to defend the rights of the workers.

3. The first time Dad ever said "friend" like that to me, I didn't get that he was being sarcastic. So I kind of let my guard down.

sarcastic, adj: 尖刻的，同样表达有ironic。sarcasm, noun, 讽刺，讥讽，挖苦。sarcastically, adv. 例： You should't be so sarcastic, after all, he is your father.
guard, noun: 警卫；警戒。let my guard down, off guard, 降低警戒/消除警戒。
例： When she smiled at me, I let my guard down.

4. He told me I was grounded from playing video games for two weeks.

ground, verb, 通常用于被动语态。被迫(飞机等)留在地面；使停飞；不准孩子做某事(作为惩罚)
例： She was grounded from going out with her friends after 10 p.m.

5. I saw the magazine myself, and it honestly wasn't anything to get worked up over.

get worked up, 为某件事生气。
例： You should not get so worked up over a few mistakes!

几个短语/词组
dinning room, 饭厅。
mess up, 把某物弄脏/弄乱；把某事物弄糟。
how thoughtful of you! 想的多么周到/体贴啊！
big-ticket, 高价的，大额花销的。
head lice, 头虱

二、句子

1. I guess he decided he'd rather be in bed than standing in my room in his underwear.
结构：rather... than...
造句： He'd rather be dead than living without any respect.

2.  To be honest with you, I've never had any interest in student government.
结构： To be honest（with you）, 说实话。honestly speaking也是相同表达。
造句： To be honest with you, I am 38 years old.

三、句子

I have a pet turtle, I bought it in March. As you may known, turtle barely eat food in winter, so I bought it in spring rather than in winter. Now, it grows up a little bit, I feed six to nine earthworms to it each day, sometimes, shrimps are good for it too. Also it likes sunshine, which will enhance it's body.

修改：I have a turtle, and I buy it in March. As turtle barely eat food in winter, so I'd like to buy it in spring rather than in winter. It grows up a little bit now, I feed six to nine earthworms to it each day. Sometimes it eat shrimps as well. By the way, it likes sunshine, which would enhance it's body.