背道而馳

The back of a body or object; to carry on one's back; to learn by heart; to recite; to betray; to turn one's back on; to bear or shoulder a burden.

road; path; way; method; principle; truth; doctrine; skill; art; to say; classifier for long things, barriers, questions, commands, courses, steps.

A conjunction connecting clauses or phrases; indicates addition, contrast, or a causal relationship; also used to indicate a change of state.

To gallop or speed; to run fast; to spread or disseminate information; to pursue or chase; to yearn for.