备而不用bèi ér bù yònghave (/keep) sth in reserve; have sth ready just in case; keep sth handy(for possible future use); put aside for possible use in the future ❍ 这些工具~,你们不要处理掉了。We put those tools aside for possible use in the future,so you should not sell them at reduced prices. 备而不用bèi ér bù yònɡ准备好暂时不用,以备将来急需。keep sth. for possible future use, have sth. ready just in case |