Guarantees not worth the paper they're written on. Meaning, origin, examples of the use of phraseological units

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Winged words, phraseological units. Meaning, history of origin, examples of use

Winged words, phraseological units

Directory / Winged words, phraseological units

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Guarantees not worth the paper they're written on

Arnold Rechberg

Phraseologism: Guarantees not worth the paper they're written on.

Meaning: About guarantees, the reliability of which is questionable.

Origin: The words gained notoriety as a historical phrase spoken (1861) by the Austrian minister Rechberg. It was voiced in a reply note sent by Austria to Germany on the issue of recognizing the independence of Italy.

Random phraseology:

Nectar and ambrosia (ragweed).

Meaning:

Delicious meal.

Origin:

From ancient Greek mythology. According to the poem "Odyssey" by the ancient Greek poet Homer, nectar is a drink that the gods drank, ambrosia (ambrosia) is the food of the gods. Both gave them eternal youth and beauty. Jokingly: "nectar" - an unusually tasty drink, "ambrosia" - delicious, gourmet food, "food of the gods."

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Random news from the Archive

Bats pretend to be wasps 17.05.2022

Bats prey on insects, but who preys on bats? Birds. Naturally, not tits with sparrows, but birds of prey, and nocturnal ones, that is, owls - let's not forget that many bats are active at dusk or even at night.

It is difficult to dodge an owl, but some bats have found a way: they scare away owls by buzzing like bees or wasps. Employees of the University of Naples named after Frederick II, studying the big bats, noticed once that the caught bats buzz like a wasp. Moreover, these were not the usual call signs of bats: they use other signals to communicate with each other and for hunting. The researchers caught a few more bats, recorded their buzzing and compared it to that of two species of bees and two species of wasps that are common in European forests.

The sounds of bats turned out to be in many ways different from the sounds of insects - but this is if they are compared using special algorithms that take into account all acoustic parameters. However, even owls, with their excellent hearing, hear only in a certain range of frequencies. And when the researchers limited themselves to the frequencies heard by tawny owls and barn owls, it turned out that the buzzing of night bats is very similar to the buzzing of bees and wasps. Moreover, bats are especially successful in copying the hornet - a large wasp with a very painful poison.

Do owls really hear hornets in the buzzing of night bats? Several owls and barn owls were played with the sounds of bats and insects in the recording, and in both cases the birds tried to stay away from the source of the sound. On the contrary, when they heard the usual sounds of bats, the owls flew up to the speaker with interest, probably counting on prey.

According to scientists, this is an example of so-called Batesian mimicry, when someone harmless pretends to be someone dangerous - for example, when a fly imitates the black and yellow color of a wasp or when a toad pretends to be a viper. The toad, by the way, not only looks like a viper's head, but also hisses like it. Birds usually avoid dealing with wasps and bees (with the exception of certain species, such as bee-eaters and honey beetles that eat them), so it makes sense that bats imitate the buzzing of hornets. And this is so far the only example known to us when mammals decided to pretend to be insects.

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