a standard mark; sth which is seen and represents a generally-known meaning
a movement of the body intended to express a particular meaning or command; signal
sth that shows or points to the presence or likely future existence of a particular condition, fact or quality
write one's name as signature
give sign to
"he showed signs of strain"
"they welcomed the signs of spring"
"he posted signs in all the shop windows"
"signals from the boat suddenly stopped"
"the highway was lined with signboards"
"there were no signs of asphyxiation"
"he got the polarity of the battery reversed"
"charges of opposite sign"
"he hoped it was an augury"
"it was a sign from God"
"The bond between the signifier and the signified is arbitrary"
"don't forget the minus sign"
"She signed the letter and sent it off"
"Please sign here"
"All parties ratified the peace treaty"
"Have you signed your contract yet?"
"He signed to play the casino on Dec. 18"
"The soprano signed to sing the new opera"
"They signed two new pitchers for the next season"
"He signed his disapproval with a dismissive hand gesture"
"The diner signaled the waiters to bring the menu"
"sign an intersection"
"This road has been signed"
"I don't know how to sign, so I could not communicate with my deaf cousin"
He didn't answer, made..a confused sign with his head.
出自： J. Gardner
He signed himself carefully with the Cross.
出自： J. Agee
He signed away all his rights to the invention.
他们在昨晚十一时左右签到。 sign sb ⇔ in
He signed us in to his club.
Can you find someone to sign me in?
他昨天签了合同,星期一就要上班。 sign sb ⇔ on
They signed on a large number of casual labourers last week.
上星期他们雇用了大量临时工。 sign on
When did you sign on?
He signed on for nine years in the infantry.
他签署了志愿书要在步兵服役九年。 sign on
It's time for you to sign on.
他在今天上午十点签字离开。 sign sb ⇔ out
I'll sign them out and guarantee their good behaviour.
He was the first to sign himself out that day.
There were signs that the minister would resign.
误 The stockings show sign of wear.
正 The stockings show signs of wear.
析 show signs of(表示“显出…的迹象”)一语中, sign习惯用复数。