start from ground zero Идиома

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zero hour

1．the exact time when an attack or other military action is supposed to start 发动攻击的时间；采取军事行动的时间
The company was told that their zero hour was 3 a．m．连队奉命于凌晨3点开始行动。
2．the time when an important decision or change is supposed to come；the time for a dangerous action 做出重要决定或重要变动的时间；关键时刻；危急关头
It was zero hour and the doctor began the operation on the patient．那是个关键的时刻，医生开始为那个病人动手术了。

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zero in on

1．adjust a gun so that it will exactly hit a target；aim at 向…瞄准
The plane zeroed in on the enemy's arms factory and destroyed it with one bomb．飞机瞄准了敌人的军工厂，一枚炸弹就把它炸毁了。
2．give full attention to 全神贯注于；集中注意力
Let's zero in on this problem today．我们今天研究这个问题。
The children zeroed in on the toy display．孩子们聚精会神地观看玩具展览。

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Zero tolerance

If the police have a zero tolerance policy, they will not overlook any crime, no matter how small or trivial.

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zero hour|hour|zero

n. 1. The exact time when an attack or other military action is supposed to start. Zero hour for the bombers to take off was midnight. 2. The time when an important decision or change is supposed to come; the time for a dangerous action. It was zero hour and the doctor began the operation on the man. On the day of the championship game, as the zero hour came near, the players grew nervous.

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zero in on|zero

v. 1. To adjust a gun so that it will exactly hit (a target); aim at. Big guns were zeroed in on the enemy fort. American missiles have been zeroed in on certain targets, to be fired if necessary. 2. slang To give your full attention to. The Senate zeroed in on the Latin-American problems. Let's zero in on grammar tonight.

zero hour

1．the exact time back an advance or added aggressive activity is declared to alpha 发动攻击的时间；采取军事行动的时间
The aggregation was told that their aught hour was 3 a．m．连队奉命于凌晨3点开始行动。
2．the time back an important accommodation or change is declared to come；the time for a alarming activity 做出重要决定或重要变动的时间；关键时刻；危急关头
It was aught hour and the doctor began the operation on the patient．那是个关键的时刻，医生开始为那个病人动手术了。

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zero hour|hour|zero

n. 1. The exact time back an advance or added aggressive activity is declared to start. Zero hour for the bombers to booty off was midnight. 2. The time back an important accommodation or change is declared to come; the time for a alarming action. It was aught hour and the doctor began the operation on the man. On the day of the championship game, as the aught hour came near, the players grew nervous.

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zero in on

1．adjust a gun so that it will absolutely hit a target；aim at 向…瞄准
The even zeroed in on the enemy's accoutrements branch and destroyed it with one bomb．飞机瞄准了敌人的军工厂，一枚炸弹就把它炸毁了。
2．give abounding absorption to 全神贯注于；集中注意力
Let's aught in on this botheration today．我们今天研究这个问题。
The accouchement zeroed in on the toy display．孩子们聚精会神地观看玩具展览。

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zero in on|zero

v. 1. To acclimatize a gun so that it will absolutely hit (a target); aim at. Big accoutrements were zeroed in on the adversary fort. American missiles accept been zeroed in on assertive targets, to be accursed if necessary. 2. slang To accord your abounding absorption to. The Senate zeroed in on the Latin-American problems. Let's aught in on grammar tonight.

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Zero tolerance

If the badge accept a aught altruism policy, they will not discount any crime, no amount how baby or trivial.

start from arena zero

To activate (something) from the ancient accessible starting point; to alpha (something) at the best basic, fundamental, or basic level. A noun or pronoun can be acclimated amid "start" and "from." The binder with my outline and addendum got deleted, so now I accept to alpha the accomplished activity afresh from arena zero. We don't accept time to alpha from arena zero, so let's aloof reclaim the assets we fabricated for the aftermost project.Learn more: ground, start, zero

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