Senses
钻机/ 鑽機 drilling machine
a machine used for drilling, boring, or sinking wells; drilling rig
钻机/ 鑽機 to use connections
to exploit personal relationships or social connections to achieve a selfish goal
钻机/ 鑽機 to study diligently
to delve deep into a subject; to study or research a topic with great focus and diligence