persistent 坚持不懈的;固执的,持续的,持久的
persistent effort
坚持不懈的努力
A persistent decrease in the level of consumer prices or a persistent increase in the purchasing
通货紧缩由于可获得货币和信贷的减少，导致消费品价格水平的持续下降或货币购买力的持续提高。
A disturbance, especially a random and persistent disturbance, that obscures or reduces the clarity.干扰噪声一种干扰，尤指一处任意的和持续的干扰，使信号变模糊或减少。
insist 坚持做，强调
insist on a point
强调一点
insist on sb.'s innocence
坚持认为某人无罪
He insisted on/upon my going with him.
他坚持要我跟他一起去。
She insisted that he was wrong.
她坚持认为他错了。
Men may not insist that their bride is a virgin any longer but they'll still avoid a girl who is
男人们也许不再坚持他们的新娘必须是处女，但对一个众人皆知的乱搞男女关系的姑娘，却依然退避三舍。
