界: boundary, scope, extent, circles, group, kingdom (taxonomy)...
主: owner, master, host, individual or party concerned, God, Lord, main, to indicate or signify, trump card (in card games)...
司令: commanding officer...
话筒: microphone, (telephone) receiver, handset...
清静: quiet, peaceful and quiet...
这: this, these, (commonly pr. before a classifier, esp. in Beijing)...
拜年: to pay a New Year call, to wish sb a Happy New Year...
药: medicine, drug, substance used for a specific purpose (e.g. poisoning, explosion, fermenting), to poison...
钻研: to study meticulously, to delve into...
前往: to leave for, to proceed towards, to go...
