Matching Pairs IDIOMS WITH WHITE 2Online version Link up the idioms to the meanings by Aidaa 66 1 in black and white 2 a white elephant 3 a white knight 4 lily-white 5 white-knuckle someone who gives money to a company in order to prevent it from being bought by another an agreement, contract, or statement made official, in writing or printing a person who is made tense by something such as flying or sailing something that has cost a lot of money but has no useful purpose to be completely white in colour