n. 球（状物）; 舞会
A ball is a round object that is used in games such as tennis, baseball, football, basketball, and cricket.
...a golf ball.
...a tennis ball.
A ball is something or an amount of something that has a round shape.
Thomas screwed the letter up into a ball...
They heard a loud explosion and saw a ball of fire go up.
When you ball something or when it balls, it becomes round.
He picked up the sheets of paper, and balled them tightly in his fists...
His hands balled into fists...
The ball of your foot or the ball of your thumb is the rounded part where your toes join your foot or where your thumb joins your hand.
A ball is a large formal social event at which people dance.
A man's balls are his testicles.
If you say that the ball is in someone's court, you mean that it is his or her responsibility to take the next action or decision in a situation.
The ball's now in your court — you have to decide what you're going to do.
If you get the ball rolling ,set the ball rolling, or start the ball rolling, you start something happening.
He will go to the Middle East next week to get the ball rolling again on peace talks...
I just want enough cash to start the ball rolling.
If you are having a ball, you are having a very enjoyable time.
Outside the boys were sitting on the ground and, going by the gales of laughter, they were having a ball.
If you keep several balls in the air, you try to do several different things at once.
The detective has to discover the motive, the means and the opportunity and has to keep these three balls in the air.
...unhappy mothers trying to juggle ten balls in the air.
If someone is on the ball, they are very alert and aware of what is happening.
She really is on the ball; she's bought houses at auctions so she knows what she's doing.
If someone refuses to play ball, they are unwilling to do what someone wants them to do.
The association has threatened to withdraw its support if the banks and building societies refuse to play ball.
1. round object that is hit or thrown or kicked in games;
2. a solid ball shot by a musket;
3. an object with a spherical shape;
4. the people assembled at a lavish formal dance;
5. one of the two male reproductive glands that produce spermatozoa and secrete androgens;
6. a spherical object used as a plaything;
7. a compact mass;
8. a lavish formal dance
9. a more or less rounded anatomical body or mass; ball of the human foot or ball at the base of the thumb;
10. a ball game played with a bat and ball between two teams of 9 players; teams take turns at bat trying to score run;
11. a pitch that is not in the strike zone;
1. form into a ball by winding or rolling;
the ball is in your court
a ball of fire
the ball of the foot
the ball of the thumb
have a lot (或 not much) on the ball
keep the ball rolling
keep one's eye on (或 take one's eye off) the ball
on the ball
start (或 get , set) the ball rolling
the whole ball of wax
have a ball
on the ball【非正式用语】
The ball struck him so hard that he nearly fell into the water.
A rubber ball bounces well.
I was dressed as a horseman at the ball.
Don't swing at the ball; take carefully aim.
He threw the ball, and the dog made after it.