24836.chip in(みんなでお金を少しずつ出し合う）if each person in a group chips in, they each give a small amount of money so that they can buy something together
We chipped in and bought him a new laptop.
24837.in love with(（恋愛の）愛してる/恋してる）to have or develop very strong feelings of love for someone
I'm in love with her.
24838.insecure (精神的に不安定/自意識過剰）
He feels insecure about his pronunciation.
24839.timid(気弱な/内気な/気が弱い(小さい)）
He has a timid look on his face.
24840.fall on(〜に当たる）
What happens when payday falls on a holiday? Do we get paid the day before or after?
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