① prevail upon是“說服,勸說”的意思。
We all prevailed upon him to rest home but he refused to stay idle. 我們勸他在家休息,但他不肯閑著。
He was prevailed upon to attend the meeting,despite his reluctance. 他被說服去參加會議,盡管很勉強。
② prevail over是“壓倒,戰(zhàn)勝”(be victorious over)的意思。
After thinking over,she at length succeeded in letting reason prevail over her prejudices. 仔細(xì)考慮后,她終于讓理智戰(zhàn)勝了偏見。
Justice will prevail over injustice. 正義一定會戰(zhàn)勝非正義。