get behind (with sth)

not proceed at the necessary rate; not produce sth at the right time 落後; 误时; 拖延: I'm getting behind (with my work). 我（工作）落後了. * He got behind with his payments for the car. 他拖欠买汽车的车款.

get about, get above oneself, get across, get after, get ahead, get ahead (of sb), get ahead of, get along, get along with, get along/on with, get around, get around to, get around/round, get around/round to, get at, get at sb, get away, get away with, get back, get back at, get by, get by heart, get down, get down to, get down to work, get hold of, get in, get in with, get into, get into an argument with sb., get into debt, get into sb, get into shape, get into the act, get into trouble, get married, get off, get off work, get on, get on to,