er, prep.indicates specific (as opposed to non-specific) object noun phrase in certain constructions [similar to how 'the' is different from 'a']; used to precede the object of locational, directional, source, temporal, and causal phrases.

in; at; on; to; from; of; out of; because of; for; with; by means of; about.
er
a
a
a
e
el
er
a
ak
er
a
eracont.er a
racont.er a
Examples:
> Are you going to build it again in three days?
> The image of your face is always appearing in my mind.
> I am very envious (or begrudging) of you because everything you have is very nice.
> The prison is holding 100 prisoners.
> This medicine must be used with salt water (to be effective).
Proverbs:
> Like the core of the mangrove log.
The core of the mangrove tree (keburs) has the interesting quality of being quite soft and workable when green, but very hard and durable when dried. Hence, a person of old age, especially a high-titled elder; one who has reached great age. Wider applications include a long-standing tradition; a long-term employee.
> Like a pigeon-seeing the danger, yet it flies from cover
The pigeon sits quietly concealed until some threat appears, then it flies out, revealing itself. The idiom applies to a person who unnecessarily exposes himself to danger, leaves the house in the rain, or takes a boat out in a storm.
> Like the green tree snake with a forked tongue (or simply, "Forked").
One who reverses himself, has two tongues, or whose tongue is forked like a snake.
> Like the man of Kayangel, who procured his gifts from Keso
The saying refers to a man from the atoll of Kayangel, some twenty miles north of the main islands of Palau, who, on his way south to visit friends, stopped at an intermediate reef, Kesol, to fish for a present for his host. Refers to a person who, en route to a visit, tries to borrow a present from another guest; any person who suddenly wants to borrow money.
> Like a person somewhere taking a bath, but I'm cold.
Applies to any embarrassing act, such as boasting or gossiping, on the part of a friend.
More Examples:
> Hello, how's the weather over there?
> I have to mend my pants that was torn.
> Can you give me your phone number?
> Mormons ride bicycles.
> My kid went on a trip to Mexico.

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