[释义]
(动)对一种学问、技术或业务有深刻的研究和透彻的了解。
[构成]
偏正式：精〔通
[例句]
精通医理。（作谓语）

• 醒目
• 能干
• 精明
• 精晓
• 通晓

• 略懂
• 粗识

1.be proficient in [at]; have a good command of; master; be good at; be familiar with; be hot in; be right down one's alley; be perfect in; be skilled in [at]; be well versed in; be practised in; be skillful at [in]; be acquainted with; have an intimate knowledge of; have a good knowledge of; have the knack of; have an intimate acquaintance with sth. [sb.]; know sth. very well; be expert in [at]; know from A to Z; be saturated with; be at home in; make oneself master of; be great at [on]; be well up in; steep in; be accomplished in; be deeply read in; be a dab at sth.; be adept in sth.; excel in; be conversant with [in]; get a thorough knowledge of; be at one's best in; be certainly A one at; attain [acquire] proficiency in; a dab hand in; be handy with [at]; old hand (at); up one's street

◎ 精通 jīngtōng
[expert at] 透彻理解并能熟练掌握
精通财政
(1).精诚所至，通达感应。《庄子·刻意》：“纯素之道，惟神是守，守而勿失，与神为一，一之精通，合於天伦。”《吕氏春秋·精通》：“圣人南面而立，以爱利民为心，号令未出而天下皆延颈举踵矣，则精通乎民也。”《淮南子·览冥训》：“遭急迫难，精通於天。”
(2).透彻通晓。 晋 左思 《魏都赋》：“硕画精通，目无匪制，推锋积纪，鋩气弥鋭。” 唐 李咸用 《赠陈望尧》诗：“若説精通事艺长，词人争及孝廉郎。”《醒世恒言·刘小官雌雄兄弟》：“不过数月，经书词翰，无不精通。”如：他精通英语。