created sense approved 钻营/鑽營 · zuānyíng · curry favor
钻营 / 鑽營
zuānyíng
curry favor
to seek personal gain through influence-peddling, toadying, or social climbing
他整天忙于钻营，根本不把心思放在工作上。
verb
created sense approved 钻营/鑽營 · zuānyíng · study deeply
钻营 / 鑽營
zuānyíng
study deeply
to study or research a subject with great depth and intensity
他在学术领域苦心钻营多年，积累了深厚的造诣。
verb