On knowledge, technology or business with a thorough understanding and mastery ~ medical knowledge.
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jīng tōng
Thoroughly understand and be able to master
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No. 3
Proficient in financial
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No. 4
Good faith actions, and the accessibility sense. "Zhuangzi deliberately": "Vegan way, but God is to defend, keep not freeze loss, and God are one, one of the master, combined to spend with the family." "Lu master": "saint standing south, with love Riding for the mind, orders are not out of the world held extended neck heel men, and is also proficient in almost the people. "" Huai Ming training Glance ":" by pressing hard, proficient in the day. "
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No. 5
Thoroughly familiar with. Jin Zuo Si "Wei Dufu": "Master painting master, currently no bandits system, promote positive discipline Feng, Mang gas Mi Yue." Tang Li Xian as "gifts Chen Wang Yao," Poem: "To say things arts master chief, war poet and Xiaolian Lang. "" Awaken the common saying Liu Xiaoguan male and female brother ":" But a few months, by written words John, were all proficient. "such as: He is fluent in English.
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English Expression
: proficiency
n.: have sth. at one's fingertips, specialist, great skill, knowledge, expert at, be (well) versed in, saturate oneself (in), be (dead) nuts on [about, round], make oneself master of, at home With sth., at home on sth., at home in sth., be great in, be great at, be adept at, conversance, conversancy, mastery, proficient, know one's way about, be accomplished in, be adept in, be conversant with