- n. 地面；土地；范圍；戰場
- vt. 使接觸地面；打基礎；使擱淺
- vi. 著陸；擱淺
- adj. 土地的；地面上的；磨碎的；磨過的
- v. 研磨（grind的過去分詞）；壓迫
詞組搭配
ground out &I{【棒球】}
To be put out by hitting a ground ball that is fielded and thrown to first base.
打滾地球出局：因打出的滾地球被截或被擲回一壘而出局
be thick (或 thin) on the ground
existing (or not existing) in large numbers or amounts
為數眾多（或為數不多）
new textbooks on particle physics are thin on the ground.
粒子物理學的新教材為數不多。
break ground N. Amer. 北美
do preparatory digging or other work prior to building or planting something
翻土，犁地；破土，動工
another term for break new ground below
同后面 break new ground
break new (或 fresh) ground
do something innovative which is considered an advance or positive benefit
開辟新天地，創新
cut the ground from under someone's feet
do something which leaves someone without a reason or justification for their actions or opinions
使（某人的）行為無正當理由，使（某人的）觀點無據可依
gain ground
become more popular or accepted
越來越得人心，越來越為人們所接受
new moral attitudes are gaining ground.
新的道德觀越來越為人們所接受。
gain ground on
get closer to someone or something one is pursuing or with whom one is competing
逼近（追趕對象，競爭對手），追上
the dollar gained ground on all other major currencies.
美元已趕上所有其他主要貨幣。
get in on the ground floor
(informal)become part of an enterprise in its early stages
(非正式)在企業的草創階段加入
get off the ground (或 get something off the ground
start or cause to start happening or functioning successfully
（使）順利開始；（使）起作用
he doesn't appreciate the steps he must take to get the negotiations off the ground.
他不喜歡自己為使談判得以開始而不得不采取的那些步驟。
give (或 lose) ground
retreat or lose one's advantage during a conflict or competition
讓步；退卻；失去優勢
he refused to give ground on this issue.
他拒絕在這一問題上讓步。
go to ground
(of a fox or other animal) enter its earth or burrow
（狐貍等）鉆入地穴
hold (或 stand) one's ground
not retreat or lose one's advantage during a conflict or competition
不讓步；不退卻；保持優勢
you will be able to hold your ground and resist the enemy's attack.
你將能夠堅守陣地并抵御敵人的進攻。
make up ground
get closer to someone ahead in a race or competition
追近，趕上
on the ground
in a place where real, practical work is done
在現場，在實地
the troops on the ground are cynical.
戰地的部隊只顧自身的安危。