源源不断: a steady flow (idiom); an unending stream...
城墙: city wall...
经过: to pass, to go through, process, course...
老鼠: rat, mouse...
麦克风: microphone (loanword)...
棕色: brown...
后果: consequences, aftermath...
不要: don't!, must not...
手: hand, (formal) to hold, person engaged in certain types of work, person skilled in certain types of work, personal(ly), convenient, classifier for skill...
总共: altogether, in sum, in all, in total...