s. straying from the right course or from accepted standards
s. uncontrolled motion that is irregular or unpredictable
a. 周游的, 离开正道的, 不定的
1. The errant puppy ran away from its owner.
那只迷路的小狗跑离了它的主人。
2. She received an errant message meant for someone else.
她收到了一个错误发给其他人的信息。
3. The teacher talked to the errant student about his behavior.
老师和那个不听话的学生谈论了他的行为。