to  fly  in the teeth of  something
fly
flaɪ
flai
in
ɪn
in
the
ðə
dhē
teeth
ti:θ
tith
of
ɒv
ov
something
sʌmθɪng
samthing

Definition & Meaning of "fly in the teeth of something "in English

to fly in the teeth of something
01

to be in complete disagreement with something 

Idiom
Informal

What is the origin of the idiom "out of step with someone or something" and when to use it?

The idiom "out of step with someone or something" originated from the literal notion of marching or walking in a synchronized manner. The phrase is used to signify a lack of alignment or compatibility with a person, group, or situation, suggesting that one's actions, beliefs, or behaviors are not in harmony or agreement with the prevailing norms, expectations, or values.

Examples
His conservative views on social issues put him out of step with the progressive majority in the community. 
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