动词用法：
签署 sign,undersign
签 sign,autograph,sign one's name
签字sign,sign a signature,affix one's signature
征兆sign
署arrange,make arrangements for,sign,put one's signature to
记名 sign,put down one's name
名词用法：
标志sign,mark,symbol
符号symbol,sign,notation,mark,insignia
迹象 sign,indication,indicator,trace,vestige,track
标记mark,symbol,sign
牌子brand,sign,plate,trademark
署名signature,sign
招牌signboard,sign,fascia,shop sign,facia
标sign,indication,award,prize,surface,symptom
记号mark,sign,marking,seal,blaze
手势gesture,sign,signal
征兆sign,symptom,indication,omen,portent,bode
符symbol,sign,mark,talisman,written charm
先兆 sign,omen,indication,portent
痕迹 trace,mark,sign,vestige,wake
志annals,mark,sign,aspiration,record,ideal
兆million,sign,omen,tarsus
记mark,sign
象征emblem,sign,byword
迹trace,track,indication,sign,footprint,vestige
征候sign,symptom
信letter,faith,trust,message,sign,true
势situation,force,momentum,power,tendency,sign
朕omen,sign
正负号sign
