a.

1. 向后的，反向的，返回的[Z]
2. 落后的，发展迟缓的[（+in）]
   In some cities housing conditions went backward.

   某些城市的住房条件越来越差。

   The teacher was patient with backward children.

   那位老师对迟钝的学童十分耐心。

3. 怕羞的，畏缩的；犹豫的[F]
   Frank was so backward that he hesitated to ask her to dance.

   弗兰克非常腼腆，不好意思请她跳舞。

4. 迟来的

ad.

1. 向后；倒
   She looked backward over her shoulder.

   她回头往后看。

2. 背在前地
3. 在退步，在恶化

adj.

1. directed behind or to the rear.
2. having made less progress than is normal or expected.
   ▸(of a person) having learning difficulties.
3. [with neg.] (backward in) lacking the confidence to do:
   he was not backward in displaying his talents.
4. Cricket  (of a fielding position) behind an imaginary line passing through the stumps at the batsman's end at right angles to the wicket.

adv.