be down on the ground信息详情
趴在地上
ground down───磨碎；碾碎；折磨；磨过的
on the ground───adv.在地上，当场，在决斗; 席地; 地下；在地上；当场；在决斗
down ground───地下室
on ground───在地面
down to the ground───（非正式）在一切方面， 彻底地；彻底地，完全；在一切方面
the ground───地面
stop down to the ground───趴下
gain ground on───v.接近；逼近（所追逐的目标）；侵入
on down───上下
the pace of deceive she walked up and down, panda mother and child often play, happy, will be on a flat somersault on the ground.───瞒姗的步子走来走去，熊猫母子也经常嬉戏玩耍，高兴的时候，也会在平坦的地上翻筋斗。
Want to be top gun, first want feet on the ground" all successful people are not a dreamer, but is definitely a down-to-earth doers.───想要壮志凌云，先要脚踏实地”一切有成就的人绝非是一个空想家，而绝对是一个脚踏实地的实干家。
She would have refused him politely had they been standing together on the ground, but, looking down at his upturned face, she felt that any excuse would be trivial.───他们两人都站在平地上，她就会礼貌地婉拒他。但是居高临下看着他仰起的脸，她觉得找任何一个借口都很无聊。