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to be popular (esp. with the opposite sex); to be well liked; to be pampered (spoiled, doted upon, etc.); to be welcomed
彼は学校でとてももてているらしい。
He seems to be very popular at school.
彼女は男性にもてるタイプの人だ。
She's the type of person who is popular with men.
もてるためには努力が必要だと思う。
I think effort is necessary to be popular.