偏离
越轨（ deviate的过去式和过去分词 ）

Deviate \De"vi*ate\, v. i. [imp. & p. p. {Deviated}; p. pr. &
vb. n. {Deviating}.] [L. deviare to deviate; de + viare to
go, travel, via way. See {Viaduct}.]
To go out of the way; to turn aside from a course or a
method; to stray or go astray; to err; to digress; to
diverge; to vary.

Thus Pegasus, a nearer way to take,
May boldly deviate from the common track. --Pope.

Syn: To swerve; stray; wander; digress; depart; deflect; err.