Being addicted to computer games makes him fall behind in his class.

沉溺于电脑游戏使他在班上的成绩落后了。

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Starting 25 years ago, the United States started to fall behind in relative terms.

从25年前，美国就开始在相关方面落后了。

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She urges parents to read to children from an early age so they do not fall behind in school.

她督促家长在孩子年幼时培养他们阅读，以便让他们在学校中不会掉队。

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All too often, struggling small businesses fall behind in paying their federal payroll taxes.

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And, even when women keep pace with promotions, they still fall behind in pay.

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The missed revenue then led them to fall behind in paying their suppliers and investors.

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