1) He's lagged behind in his studies.
他功课退步了。
2) He stepped backward a pace or two.
他后退了一两步。
3) He has slipped back ideologically.
他思想退步了。
4) He made a backward step.
他向后退了一步。
5) He took three steps backwardly.
他倒退了三步。
6) He was released from the army.
他退伍了。
补充资料：他们
1.代词。称自己和对方以外的若干人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条