be subject to
1. 受……的支配
He is not subject to discipline.
他不守纪律。
change the subject
1. 改变话题
He tried to change the subject.
他试图改变话题。
on the subject of
1. 谈到……时; 涉及……时
While we are on the subject of money, may I ask when you will repay the loan?
既然我们谈到了钱的问题, 可不可以问一下你将何时偿还这笔贷款?
习惯用语a delicate [tender, thorny] subject1.敏感的问题, 需要审慎的事情, 令人棘手的问题a sore subject1.触人痛处的问题be a subject for (=be the subject of)1.(讨论, 研究, 实验的)题目[对象, 材料]2.作为...的理由[原因](be) subject to1.服从, 以...为条件, 受...的支配; 须经, 必须得到;易遭[受,发生]change the subject1.改变话题on the subject of1.关于, 论及short subject1.(与正片同场放映的)电影短片(如动画片等)wander from the subject1.(谈话)离题subject matter1.题材; 话题; 论题subject oneself to1.蒙受subject sb. [sth.] to1.使服从于..., 使某人[物]隶属于..., 使某人[物]听从于..., 使受到..., 使经历subject to1.在...条件下; 常遭...; 易受...的侵袭; 受控制; 服从...的指挥特殊用法academic subject1.学科accounting subject1.会计科目allied subjects [discipline]1.相关学科, 有关门类anticipatory subject1.先行主语arts subject1.文科学科auxiliary subject1.副课, 附属科目basic subject1.基础学科compulsory subject1.必修科目culture subjects1.文化科目currencies subject to restrictions1.受限制货币economic subject1.经济主体elective subjects1.选修科目experimental subject1.实验对象expressive subject1.表现性科目(指美、音、体、劳等科目)formal subject1.正式科目functional subject1.基本科目grammatical subject1.语法(上的)主语main subject1.主科mandatory subject1.必修学科non-exam subject1.非考试学科obligatory subject1.必修科目optional subjects1.选修科目practical subject1.实用学科primary subject1.主要科目pronominal subject1.代词主语related subjects1.相近科目required subjects1.必修科目research subject1.研究课题subsidiary subject1.副科technical subject1.技术科目tool subject1.工具学科, 工具课undergraduate subject1.大学本科科目vocational subject1.职业科目wild subject1.副科subject of artificial intelligence1.人工智能科目, 智能模拟科目subject of claim1.要求赔偿的主因subject of examination1.考试科目subject of international law1.国际法主体subject of labor1.劳动对象