举手: to raise a hand, to put up one's hand (as signal)...
货车: truck, van, freight wagon...
柜子: cupboard, cabinet...
家人: household, (one's) family...
警车: police car...
操心: to worry about...
力求: to make every effort to, striving to do one's best...
作业: school assignment, homework, work, task, operation, to operate...
世代: for many generations, generation, era, age...
喷泉: fountain...
