Tra từ by - Từ điển American Heritage Dictionary 4th

I. by¹ (bī)prep.
1. Close to; next to:
the window by the door.
2. With the use or help of; through:
We came by the back road.
3. Up to and beyond; past:
We drove by the house.
4. In the period of; during:
sleeping by day.
5. Not later than:
by 5:30 P.M.
6.
a. In the amount of:
letters by the thousands.
b. To the extent of:
shorter by two inches.
7.
a. According to:
played by the rules.
b. With respect to:
siblings by blood.
8. In the name of:
swore by the Bible to tell the truth.
9. Through the agency or action of:
was killed by a bullet.
10. Used to indicate a succession of specified individuals, groups, or quantities:
One by one they left. They were persuaded little by little.
11.
a. Used in multiplication and division:
Multiply 4 by 6 to get 24.
b. Used with measurements:
a room 12 by 18 feet.
c. Toward. Used to express direction with points of the compass:
south by east.adv.
1. On hand; nearby:
Stand by.
2. Aside; away:
We put it by for later.
3. Up to, alongside, and past:
The car raced by.
4. At or to one's home or current location:
Stop by later today.
5. Into the past:
as years go by.Idiom:by oneself
1. Without company; alone:
went by herself.
2. Without help:
wrote the book by myself. [Middle English, from Old English bī, be. See ambhi in Indo-European Roots.] II. by² (bī)n.
Variant of bye¹.