https://www.youtube.com/watch?v=aUwDYE5MEww
to make sb/sth experience, suffer or be affected by sth, usually sth unpleasant 使经受；使遭受
to be subjected to ridicule
受到嘲笑
The city was subjected to heavy bombing.
那座城市遭受猛烈轰炸。
The defence lawyers claimed that the prisoners had been subjected to cruel and degrading treatment.
辩护律师声称囚犯遭到了残暴和侮辱性的对待。
if you don’t subject yourself to drills, to quizzes on things you have hardly had a chance to get used to in the language, like the subjunctive in French or sth.