“轻快地”用英语怎么说？

当他们又重新骑上马时，马突然轻快地小跑起来。As they started up again, the horse broke into a brisk trot.伊芙步履轻快地穿过走廊来到儿子的房间。Eve walked briskly down the corridor to her son's room.小帆船在和风中倾侧着轻快地向前开。The little sailing-boat moved briskly alon...