學

to learn / to study / to imitate / science / -ology

to go to school / to attend school

trigonometry

Shanghai Jiao Tong University

Shanghai International Studies University (SISU)

Shanghai University

Shanghai Theatrical Institute

Shanghai Second Medical University

Shanghai University of Finance and Economics (SUFE)

Shanghai Medical University

Shanghai Conservatory of Music

without learning or skills (idiom); ignorant and incompetent

not ashamed to learn from subordinates (idiom)

North University of China (Shanxi)

Chung Yuan Christian University, in Taiwan

Renmin University of China

Communication University of China (CUC), the highest institute of radio, film and television education in China

Chinese Geophysical Society

China University of Geosciences

to pick up (a skill) in a very short time / to take to sth like a duck to water

to take sth as a lesson for next time (idiom) / once bitten, twice shy