一些新概念2册上不懂的地方1.下面两句话可用have got 代替have吗? ①.He had to leave early. ②.She has to be patient with him.2.knock off from work什么意思?（还想要一些关于knock的用法）3.What a shame !还有Shame

一些新概念2册上不懂的地方
1.下面两句话可用have got 代替have吗?
①.He had to leave early.
②.She has to be patient with him.
2.knock off from work什么意思?
（还想要一些关于knock的用法）
3.What a shame !还有Shame on you!什么意思?怎么用?
4.The police drove the crowds back.什么意思
5.I cross it off my lift.什么意思?
第一个问题怎么没人回答？

knock [nɔk]
n.敲,敲打,敲门
v.敲击,互撞,攻击
[ 过去式knocked 过去分词knocked 现在分词knocking 第三人称单数knocks ]
vt.
1.敲,击,打；撞：例句:to knock somebody on the head
打某人的头to knock a ball out of the field
把球击出场地2.使碰撞：例句:He knocked his head against the wall.
他的头撞到了墙上.3.敲掉,打掉；拆掉；拍去：例句:She knocks the dust out of her coat.
她打掉外套上的尘土.They are knocking the wall down.
他们正在拆掉那堵墙.4.敲成,敲出：例句:to knock a hole in a wall
在墙上敲出一个洞5.去除,祛除(疾病)：例句:The medicine is effective for knocking colds.
这种药祛除感冒很有效.6.[美国口语]找…的岔子,吹毛求疵,挑剔；非难,抨击：例句:Don't knock it unless you can do better.
除非你自己能做得更好,否则不要吹毛求疵.7.[英国俚语]使震惊,给…以强烈印象：例句:What knocks me most is his ignorance.
最让我吃惊的是他的无知.
vi.
1.敲,击,打(常与at,on连用):例句:to knock at the door
敲门I wondered who was knocking.
我猜想着谁在敲门.2.碰,撞,撞击：例句:His knees knocked with fright.
他由于恐惧而双膝颤抖.3.(机器等出故障时)发出震响(或碰撞声)：例句:The engine is knocking.There must be something wrong.
发动机发出震响,一定出什么故障了.4.[美国口语]找岔子；挑剔；说坏话：例句:Stop knocking.I'm fed up with it.
别挑挑剔剔的了,我受够了.5.奔忙,忙乱6.[美国英语]【金罗美纸牌戏】(因不相配、不多于十点而)摊牌,叫停
n.
1.敲,打击；(重重的)一击；敲门声,敲击声2.(机器等的)碰撞声(或震动声)3.[口语]不幸；挫折；困苦；困难4.[美国口语]非难,指责；挑剔；吹毛求疵5.[英国口语](板球赛中的)局,盘,回合
短语
1.be knocked bowlegged(拳击中)被打败2.be knocked koo-koo被打昏过去；受到致命伤3.get the knock
a.[俚语]
b.喝醉,饮酒过量
c.被解雇,被开除4.knock at end坚忍；不屈不挠5.knock back ore与泥石相混的矿苗6.knock dead使深受感动；使感到十分钦佩7.knock-lem-down business拍卖业8.knock for a goal (或 loop)
a.[美国俚语]
b.猛击,击倒,击败,打昏
c.使醉倒
d.破坏,使不能生效
e.使混乱；使震惊
f.给…以深刻印象9.knock for six
a.【板球】一击得最高分(6分)
b.[俚语]彻底击败；给以沉重打击
c.严重影响10.knock head叩头11.knock home
a.把(钉子)钉牢,打到头
b.彻底驳倒(对方的论点)12.knock in the night夜晚敲门(恐怖统治的标志)13.knock into a cocked hat
a.彻底打败；把…驳得体无完肤
b.把…的计划破坏掉；
c.远胜于,超过
d.使极不安14.knock it off[美国俚语](用以喝止别人)住嘴,别说了；住手；别闹了15.knock one's head against碰壁；碰上不愉快的事16.knock on the door夜晚敲门(恐怖统治的标志)17.knock out of the box【棒球】打掉投手(进攻方一再打出好球迫使对方更换投手)18.knock someone into the middle of next week见 middle19.knock someone's head off见 head20.knock people's heads together见 head21.knock sideways
a.[口语]
b.使受震动,使惊呆
c.对…产生不良影响；对…有害22.knock spots off见 spot23.knock the bottom out of见 bottom24.on the knock
a.[口语]以分期付款法
b.当妓女25.take the knock
a.[俚语]
b.经济(或感情上)遭到沉重打击；遭受挫折；倒霉
c.喝醉26.You could have knocked me (him,her,etc.) down with a feather.[口语]我(他、她等)极为惊讶.
Shame on you（看语境）
1.你的耻辱
2.你真丢脸
3.你不要脸
4.以你为耻
what a shame
太可耻了
The police drove the crowds back
警察开车聚在一起

1 当做“拥有”是可以代替，在做“必须”时也可以！
2 下班的意思。这些用法你可以看新2课本P34的难点。
3 多么大的羞耻啊！ 你真耻辱！
4 警方把人群赶了回去。
5 我划掉了单子。