once a (something), always a (something)

proverb A person's innate or fundamental nature is not something they are willing or able to change. He says he's trying to leave his life of crime behind, but once a criminal, always a criminal. Even years after leaving the stage, she still can't resist performing—once an actor, always an actor.

once a —, always a —

a person cannot change their fundamental nature.

1993 Margaret Atwood The Robber Bride She was once a Catholic…and once a Catholic, always a Catholic, according to her mother.

once a..., always a...

in certain respects people do not change, although circumstances change: He can’t resist explaining things in detail. Once a teacher, always a teacher.

词组	once a (something), always a (something)
释义	once a (something), always a (something) once a (something), always a (something) proverb A person's innate or fundamental nature is not something they are willing or able to change. He says he's trying to leave his life of crime behind, but once a criminal, always a criminal. Even years after leaving the stage, she still can't resist performing—once an actor, always an actor. See also: always, once Farlex Dictionary of Idioms. once a —, always a — a person cannot change their fundamental nature. 1993 Margaret Atwood The Robber Bride She was once a Catholic…and once a Catholic, always a Catholic, according to her mother. See also: always, once, something Farlex Partner Idioms Dictionary once a..., always a... in certain respects people do not change, although circumstances change: He can’t resist explaining things in detail. Once a teacher, always a teacher. See also: always, once Farlex Partner Idioms Dictionary See also: teach a man to fish a little knowledge is a dangerous thing a little learning is a dangerous thing it takes a village village best-laid plans go astray, the the best-laid plans the best-laid plans go astray the best-laid plans of mice and men be the spice of life
随便看	through the floor through the good offices of (someone) through the grapevine through the mill through the mill, to go/to be put through the wringer through thick and thin through with through with (someone or something) throw throw a bone throw someone to the dogs throw someone to the lions throw someone to the wolves throw (someone) under the bus throw (some) shapes throw something back throw (something) back and forth throw (something) back at (one) throw (something) back in (one's) face throw something back in someone's face throw (something) back in(to) (one's) face throw (something) back to (one) throw (something) in throw (something) in (one's) face