> It's like the foam of the sea, which forms unexpectedly and then disappears.
It's a matter that comes up for lengthy discussions and then is dropped without resolution or effect. Some things, like sea foam, drift on without settlement. Endless discussion without reaching agreement.
> If it is my lunch it can be divided, if it is yours then it cannot
Two men habitually trapped fish in the same region of the lagoon. One would occasionally ask the other to join him at lunch, the other would always refuse. One day the man who refused arrived with no lunch. When the usual invitation was extended the man refused, saying that, anyway, he had no lunch. The invitation was insistently pressed until the reluctant one gave in. As they split the taro between them the one who shared made the above statement. The idiom is a mild rebuke of a retentive person
> An ukall tree won't become a titimel tree.
i.e., a child will resemble its father; human nature will not change. The ukal, a lumber tree, resembles the titiml, a fruit bearing tree, at least to the extent that both are trees and become quite large. Both have assets but are quite different. The idiom is applied in the sense that a child resembles its father and will become what its father was. It may also be used to mean "human nature can't be changed."
> Like the insects which stays at ashes of fire but doesn't burn.
You're near a situation which needs immediate attention but you don't lend a hand.
> Like Kerosene, poling his canoe with no obvious destination
Under the German administrator Winkler before World War I, a Palauan named Ngirakerisil (Mr. Kerosene) was employed as a canoe operator. Daily he would take the tireless administrator to a different part of Palau to inspect the various economic programs (largely coconut planting) instituted by the now legendary Winkler. The operator, least of all, could predict where they would be going next. The idiom is applied to any aimless person or action; indecision; a changeable person.