Learn new idiomatic expressions and improve your english

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suck up to someone 

If you “suck up” to someone, it is an informal way of saying that you are trying to gain someone’s favor or approval by being nice or doing something nice for them. You can suck up to someone by flattering them (giving insincere praise).

We have studied about children complaining about their parents' treatment. now what about parents?

Remember we're studying family relationships