continue [kən'tinju:]
vi.&vt.继续
call on
拜访；访问
pretty ['priti]
adj.漂亮的；俊俏的
happiness ['hæpinis]
n.幸福；愉快
not...any more
不再
exactly [iɡ'zæktli]
adv.精确地；确切地
night and day
夜以继日地
pay back
偿还(借款等)
valuable ['væljuəbl]
adj.值钱的；贵重的
worth [wə:θ]
adj.值…的
at the most
至多；不超过
