fall behind
短语
大学
落在后面, 拖欠
发音
AU
词形变化
fallen behind
falling behind
falls behind
三单
falls behind
fell behind
falling behind
现在分词
fell behind
过去式
fallen behind
过去式
fallen behind
过去分词
释义与例句
v.
-
1.
Used other than figuratively or idiomatically: see fall, behind.
-
2.
To be late (for a regular event)
迟到
习语 不及物You're falling behind with the rent.
-
3.
To be progressively below average in performance.
落后
不及物You could lose your job if you keep falling behind with your work.
It's not like John to fall behind in maths.
-
4.
to fail to keep up (with)
不及物 及物