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杰克专心费力做数学.用英语怎么说？

杰克专心费力做数学.

Jack fagged away at his math.

相关词汇
jack fagged away at his math

jack

n. 千斤顶，[信]插孔，插座，男人，纸牌中的J；vt. 提高，增加，用千斤顶顶起，抬起，抬起，使想起；vi. <美>用篝灯打猎（或捕鱼）；
例句
He told her their affair would have to stop, because Jack Smith was blackmailing him...
他告诉她说他们的婚外情必须结束了，因为杰克·史密斯正在敲诈他。

fagged

adj. 累坏了的；
例句
I'm fagged out as it is without you venting your spleen on me!
我受了一天的累,临完拿我杀气呀,先等等!

away

adv. 离开，远离，在远处，消失；adj. 不在的，遥远的，客场比赛；
例句
She accelerated away from the kerb.
她加速驶离了马路牙子。

at

prep. （表示位置）在，在（某时间或时刻），以，达， 向，朝；n. 阿特（老挝辅币单位，100 阿特 = 1 基普）；
例句
Prices start at £13.95 a metre for printed cotton...
印花棉布以每米13.95英镑的价格起售。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；
例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

math

n. 数学（等于mathematics）；
例句
...simple math concepts, such as decimals and fractions.
简单的数学概念，如小数和分数
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
...when the camera is in manual mode.
当相机处于手动拍摄模式的时候
She'd been a bit too lavish with the salt, so the soup didn't taste nice.
她放盐太多, 因而汤的味道不太好。
He alleged that they had hired an assassin to dispose of him.
他宣称他们已雇了刺客来除掉他。
She exudes an air of relaxed calm...
她表现出一副气定神闲的样子。
These factories have displaced tourism as the country's largest source of foreign exchange...
这些工厂已取代旅游业成为该国最大的外汇来源。
He answered the reporters’ questions flippantly; this cannot be airily explained to your children.
他轻率地回答了记者的问题；这个不能随便说给孩子听。
Ice could freeze up their torpedo release mechanisms.
冰可能会冻死他们的鱼雷发射装置。
The programme started from the premise that men and women are on equal terms in this society.
这个项目是以这个社会男女平等为前提的。
He thawed after sitting at a fire for a while.
在火堆旁坐了一会儿, 他觉得暖和起来了。
I didn't say it intentionally.
我是无心说的.