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