digress

动词 digress:

1. lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking
   同义词：stray, divagate, wander
2. wander from a direct or straight course
   同义词：sidetrack, depart, straggle

1. I'll tell you a funny story, if I may digress for a moment.
   如果我可以暂时离开一下话题，我将讲一个有趣的故事给你听。
2. Don't digress (from the subject) when lecturing.
   讲课时不要岔开(主题).

di.gress

v.intr.（不及物动词）
di.gressed,di.gress.ing,di.gress.es
To turn aside, especially from the main subject in writing or speaking; stray.See Synonyms at swerve
离开主题：远离，特别是指脱离写作或演说主题；跑题参见 swerve

来源：
Latin dogredo dogress-
拉丁语 dogredo dogress-
do-, dis- [apart] * see dis-
do-, dis- [脱离] *参见 dis-
grado [to go] * see ghredh-
grado [进行] *参见 ghredh-