1.
(3) Mastery-avoid goal gradually ascend from forth grade to sixth grade, and gradually descend from seventh grade to ninth grade;
(3)掌握回避目标从四年级到六年级逐渐上升，从初一到初三年级又逐渐下降；
2.
He knew his lesson and was forward with his answers.
他掌握好了课文，能迅速回答问题。
3.
I have mastered the art of the surreptitious and covert glance over my shoulder.
我非常娴熟的掌握了回头偷看的技巧。
4.
To know something about English is one thing; to know English is quite another.
懂一点英语是一回事；掌握英语完全是另一回事。
5.
assume [hold, drop] the reins of government
掌握到 [掌握着,放弃] 政权
6.
`I will jump-mathematically.'
“我会准确地掌握。”
7.
have [seize] the initiative
有 [掌握] 创制权
8.
Who owns the information will take the initiative.
谁掌握了信息，谁就掌握了主动权。
9.
e.g. To be bilingual, one has to be bicultural.
要掌握两种语言，必须掌握两种文化。
10.
You produce37 net beakers per turn and3 other civilizations know it out of7 who started the map.
你的净烧杯为每回合37，并且，初始的7家文明中有3家已经掌握了。
11.
Once we know about them and learn to listen to our bodies, if we experience prodrome or aura symptoms, we have a better chance of avoiding the headache phase.
一旦我们掌握了识别身体的信号，我们就有机会在前驱期或先兆期避免头痛发作。
12.
If an installation is not provided with the personnel who have mastered the techniques of collision avoidance, signaling, communications, fire control, salvaging and other operations pursuant to the state provisions,
设施未按照国家规定配备掌握避碰、信号、通信、消防、救生等专业技能的人员，
13.
Big landowners were desperate to evade land reform, so those who had access to capital took advantage of the cheap loans to convert lands into other uses.
大地主们情急拼命地规避土地改革，他们掌握资本通路，并利用廉价贷款变更地目转作其它用途。
14.
As for attempts to avert revolution through pressure for reform, this would only alienate those who held the real power.
至于想通过以压力促成变革的方法来避免革命，则只会疏远那些掌握实权的人。
15.
Avoiding physical harm requires a solid understanding of ergonomic principles and appropriate use of interface elements so as to minimize work.
避免生理伤害要求扎实地掌握人体工效学原理，适当应用界面元素减少工作负荷。
16.
The elaborately designed screen allows easy control of powder amount so as to reduce the waste of powder.
精心设计的漏孔网片，能轻松掌握出粉量，避免通常粉盒易打翻浪费大的弊端。
17.
He sure is wear the pants in this family.
他的确掌握家庭大权。
18.
His rise to power was very rapid.
他很快掌握了大权.