堤坝: dam, dike...
步伐: pace, (measured) step, march...
爱戴: to love and respect, love and respect...
转学: to change schools, to transfer to another college...
紧密: inseparably close...
无所作为: attempting nothing and accomplishing nothing (idiom); without any initiative or drive, feckless...
对立: to oppose, to set sth against, to be antagonistic to, antithetical, relative opposite, opposing, diametrical...
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...
永远: forever, eternal...
泉: spring (small stream), mouth of a spring, coin (archaic)...