Since the upper jaw never moves, it is extremely lazy. Imagine being lazier than that!
Es más terco que una mula
As stubborn as a mule. Mules are really stubborn, so the person in question must be worse.
Es más feo que un caso de drogas
As ugly as sin. To be a really bad situation.
Es el mismo perro con otro collar
Even though someone may change physical appearances, the person continues being the same
Es de clavo pasado
A fanatic or extremist, often used in reference to supporters of a political party
Es como un ciego guiando a otro ciego
The blind leading the blind. Observation that the person in charge is just as clueless as the people that follow.
Es como el perro del hortelano, que ni come ni deja comer
Have your cake and eat it too, The best of both worlds. A person wants to have it all. For example, a boyfriend doesn’t want a commitment, but doesn’t want to leave his girlfriend either.
Es como buscar una aguja en un pajar
Looking for a needle in a haystack. An almost impossible situation, something that will take a ridiculous amount of time to accomplish.
Éramos muchos y parió la abuela
There were already too many problems to deal with, and on top of it grandma is pregnant.
Entrar por arrimado y salir por dueño
To outsmart someone
Encontrarse con la horma de su zapato
Meet your match. To run up against the person that could beat or overcome you (often figuratively).
En vida de matrimonio, ni soso ni salado
After marriage, life goes downhill. Once a person gets married, life becomes boring and repetitive.
¿En que mundo vive?
In what world does he live in? Expresses that the person is crazy or out of touch with reality. For example, John thinks that in two years people will be living on the moon. Someone else would use this phrase to say that John is nuts.
En la vida todo tiene remedio, menos la muerte
There is a remedy for everything except death. Consoling statement for someone that is fed up with a situation. The phrase means that the person should not worry, because there is a solution.
En la unión está la fuerza
In union there is strength, Safety in numbers, United we stand, divided we fall. By sticking together, a group of people can achieve much more than each person separately.
En la boca del embustero lo cierto se hace dudoso
If someone has a habit of lying, it becomes difficult to believe the person, even in the situations when he/she is telling the truth.
En guerra avisada no muere gente
If something is known ahead of time, it is possible to take steps to avoid any dangers.
En el país de los ciegos, el tuerto es rey
In the country of the blind, the one-eyed man is king. One person can stand out, or achieve a position of power, not because they are great or skilled, but only because those around them are incapable.
En cualquier sitio se cuecen habas
Comment made after observing poor behavior, effectively saying that it is unfortunate but it happens all the time.
En casa de herrero cuchillo de palo
This phrase is applied to any type of expert that does not treat his personal life the same. Examples are the carpenter who’s house is falling apart or the financial advisor that is broke.
En boca cerrada no entran moscas
Advice to not talk more than necessary, to avoid embarrassing situations, gossiping or causing problems for others.
El vago trabaja doble
Anyone that does something half-assed the first time, will have to do it again a second time to fix the problems. Implies that it is better to do something right from the beginning.
El trabajo no mata a nadie
Ironic phrases highlighting that physical labor cannot harm a person.
El tiempo que se va no vuelve
Time is a precious item that once it is gone cannot be recovered.
El tiempo lo cura todo
Time heals all wounds. As time passes, any wounds (physical or emotional) become less and less painful.
El tiempo es oro
Time is money. Time is a precious item and should be used both sparingly and efficiently.
El remedio es peor que la enfermedad
Often people try to improve a situation but end up making it worse instead.
El que vive de ilusiones muere de desengaños
Out of touch with reality. If you are always dreaming, and never are in reality, you will die disillusioned from what you expected.
El que vive bien, muere bien
This phrase advises to live a clean, healthy life so that you may have a painless, quick death, but also so that people will remember you positively.
El que venga atrás que arree
Refers to a person that benefits from a situation without caring about how it affects others.