o clock is an abbreviation or a rule

o clock is a fixed phrase that is only used after the hour hour, and can be omitted in spoken language, and not used in 24 hours

o'clock

kl k]of the clock, used only on the hour].Hour.

it's just two o'clock.

Now it's exactly two o'clock.

i cannot get there before three o'clock.

I can't get there before three o'clock.

Idiom. find whato'clock it is (=find what's o'clock) to find out the situation and find out the truth.

know what o'clock it is (=know what's o'clock) familiarize yourself with the situation; Smart.

like one o'clock very quickly; Very willingly; Relish; Very powerfully.

No, o clock is not an abbreviation, the teacher said that this seems to be a fixed phrase in American English.

XX point, as for why I don't know.

o'Clock is an abbreviation for oftheclock。o'clock is an abbreviation for oftheclock, and in order to avoid confusion with other timekeeping tools, people need to make it clear that the time reading they report is from the clock: it's7oftheclock century, as the use of clocks became more and more extensive, people began to pass by the f and the the, and simply read it as o'clock。

Abbreviated in EnglishAn English abbreviation is a shorthand form of a word or phrase to represent a complete form, which is different from an acronym. Abbreviations are abbreviations that are abbreviated into the simplified form of English words that represent the meaning of the whole word with the important stirring letters in the English word. An English abbreviation can be shortened in any way, and will be drawn through some letter parts in a Ming Xiangqi.

But abbreviations can also be confusing, as they can mean different things in different industries.

o'clock is the pointBellsAbbreviation.

o'clock means o'clock, o'clock usage: o'clock should be added after the hour, not on the hour. For example: fouro'clock;Four-and-a-half, deformation: past tense.

clocked；Present participle.

clocking；Past participle.

clocked。

O'clock is a sign of the clock, omitting one to the 17th century, and as the use of clocks became more and more widespread, people began to pass by the F and the the, and simply read it as O'clock. It wasn't until the 18th century, however, that the term "o'clock" really became popular.

clock can be used as a noun. The basic meaning of clock refers to a timekeeping device that sits on the ground or hangs on the wall, and is a countable noun.

There is a plural form. The combination of the source hunger brigade clock and the the, which can refer to the hail stool driving odometer, is an informal usage. Example sentences for the usage of clock as a noun:

the clock shows half past two.The clock hand points to half past two.

clock usage example sentence: it was just gone 7 o'clock this evening when i finished。It was just after 7 o'clock when I finished tonight.

he sat listening to the tick of the grandfather clock。He sat there and listened to the ticking of the floor-to-ceiling pendulum clock.

clock is a noun, the meaning of bell, and o means of o'clock is an abbreviation for the clock, which is only used on the hour.

two oclock.

Ten oclock.

Alarm Oclock.

o'clock is an abbreviation for of the clock and is only used on the hour.

o'clock：

Pronunciation: English [ kl k] American [ klɑ:k].

Definition: Adverb ,....Hour.

Example sentence mountain search: 1. I get out of bed about 7 o'clock every morning.

I wake up at 7:00 a.m. every morning.

2、the trouble began just after ten o'clock last night.

Just after 10 o'clock last night, trouble began.

Introduction to the usage of the preposition of:

1. Indicates all relationships.

It is used to form the noun possessive. Such as the Cluster Calendar:

1. The secret of success.

2. The Cover of the Book.

2. Indicate the verb-object relationship.

The noun before of of of is a noun or gerund that indicates an action, and the noun after of of of is the object of the action. Such as:

1. Protection of natural circumstance

2. The Reduction of Tax.

oclock and o'Clock is pronounced English: [klk], American: [klɑk].

o'clock:" (for the hour)....Hour. oclock: "o'clock".

Example sentence: not until twelve oclock did he go to bed last night

He didn't sleep until twelve o'clock last night.

around. let's go out at about six oclock, shall we?

We'll leave at about 6 o'clock, okay?

Usage:

The usage of o'clock is: o'clock should be added after the hour, not on the hour. For example: fouro'clock;Four-half-past four, four-thirty.

O'clock means o'clock, omitting a first in the middle until the 17th century, as the use of clocks became more and more widespread, people began to pass by the f and the the, and simply read it as Peiling o'clock. It wasn't until the 18th century, however, that the term "o'clock" really became popular.