behind with的用法和樣例：
例句
- She tugged and wrestled with her conflicts.
她使勁兒地拖拉著扭打著。 - I've fallen behind with my correspondence.
我積壓了許多信沒回。 - He was terribly behind in his work.
他積壓了大量工作。 - Illness kept the boy behind in his school work.
那個男孩因生病而功課落後了。 - China still lags behind in football.
中國仍然在足球方面比較落後。
