Animal Idioms in English

to be a dark horse

A person who doesn’t tell others much about their life (but sometimes surprises them)

to kill two birds with one stone

means achieving two things by doing one action

to bark up the wrong tree

to make the wrong choice, ask the wrong person, follow the wrong course

one’s bark is worse than one’s bite

someone who speaks in a harsh way or threats but never does anything

to be like a fish out of water

to fell uncomfortable in unfamiliar environment

the rat race

an unpleasant way way that people compete against each other at work in order to succeed

a little bird told me

when the speaker knows something but keeps the informant in secret

it’s like water off a duck’s back

having no effect on someone