Matching Pairs IDIOMS. AGEOnline version IDIOMS. AGE by María Marteles 1 mutton dressed as a lamb 2 get on in years 3 (be) over the hill 4 (live to a) ripe old age 5 rob the cradle 6 to be knee-high to a grasshopper 7 feel your age 8 to act your age 9 long in the tooth 10 silver surfer An elderly person who uses the internet Have a romantic relationship with someone who is much younger than yourself. Realize that you are no longer young Reach an age when you can no longer perform as well as before. Very young or small child a person who tries to look younger by wearing clothes designed for younger people no to behave as someone younger Too old to do something Someone who is growing old. To live until you are very old.
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