keep in hand
掌握───master;着───means
The dog has transferred its affection to its new master.───那狗已把它的感情转移到新主人身上.
Students are expected to master a second language.───学生们应该掌握一门第二语言。
Master Worker Wang is responsible for the overhaul of this grinder.───王师傅主修这台磨床.
A great poet is a master melody.───大诗人也是音律大师.
They are able to master the situation.───他们能够控制局势.
His master granted him a small ingot of silver.───主人赏给他一锭银子.
The question is whether technology is going to be our servant or our master.───问题是科技将为我们所用还是要驾驭我们。
She's a past master at getting what she wants.───她可是个精明的人，想要什么就能得到什么。
Master should be soetimes blind and sometimes deaf.
He knelt to his master.
He considered himself a master of witty banter.
Runyon was a master of the short story.
I'm afraid the master is away on business.