forewarn

vt.预先警告，事先告知

网络解释.预先警告；有言在先；预知梦；预先忠告

词形变化:

过去式：forewarned 过去式：forewarned 过去式：forewarning 过去式：forewarns

派生词: forewarner

forewarned is forearmed 1 . (谚)凡事预则立；情报有如武装

forecast