Matching Pairs Idioms Social IssuesOnline version Idioms we can use when discussing social issues. by Lorena AR 1 Pull a few strings 2 Smell a rat 3 Be under someone's thumb 4 Smell something fishy 5 Gain (or have) the upper hand 6 Turn a blind eye 7 Let the cat out of the bag 8 Give the green light 9 Bury your head in the sand 10 Keep an eye on be controlled by someone else To sense something is wrong to reveal a secret Ignore a situation take advantage of something to use your influence to your own advantage to not take notice of something Watch over to be suspicious Give permission