208 Same, different 相同, 不同 (xiāngtóng, bùtóng)

unable to catch up with

49 赶不上 [趕--] gǎnbúshàng (catch up with-not-able) unable to catch up with: 我总是~她. I can’t catch up with her. || 计划~变化. Plans always fall behind changes. || ~潮流 can’t catch up with the trend, outdated '

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