She was flirting with her boyfriend.
她与男友在打情骂俏。
Cork can float on water.
软木能浮在水面。
Birds of a feather flock together.
物以类聚。
A flock of wild geese flew overhead.
一群大雁从头顶飞过。
Bread is made from flour.
面包是用面粉做的。
The flour was ground from barley.
这面粉是用大麦碾成的。
He flourished his credit card.
他炫耀他的信用卡。
The guard flourished his pistol at the crowd.
那个警卫对群众挥动手枪。
Rivers flow into the sea.
江河流入海中。
He is in bed with flu.
他患流行性感冒而卧病在床。
My weight fluctuates between 90 and 100 pounds.
我的体重在 90与 100磅之间变动。
He can speak fluent English.
他英语讲得很流利。
Mercury is a fluid substance.
水银是流质。
The river is flush with rain.
那条河因雨而泛滥。
The noise made it hard for me to focus on work.
噪音让我无法集中注意力工作。
Try and focus your mind on your lessons.
试着把你的注意力集中在功课上。
His attempt to escape has been foiled.
他逃亡的企图遭到挫败。
The weather forecast says there will be rain.
天气预报说要下雨。
He is one of the world's foremost singers.
他是世界主要歌唱家之一。
I foresee that there will be problems.
我预料会有问题。