奔放: (气势蓬勃横逸) bold [expressive] and unrestrained; moving and forceful untrammelled 短语和例子奔放不羁的风格 a bold and flowing style; 热情奔放 overflowing with enthusiasm; an outburst of enthusiasm
纵情: to one's heart's content; as much as one likes 短语和例子纵情歌唱 sing heartily; 纵情诗酒 give one's mind to poems and grant indulgence to wine; 纵情游乐 be on the spree