HSK 5
Correct

退步

/ tuìbù / 
Strokes

Definition

to do less well than before/to make a concession/setback/backward step/leeway/room to maneuver/fallback

Example

As a Verb
fall/lag behind; retrogress
1
Zhè
这
wèi
位
wǔdǎo
舞蹈
yǎnyuán
演员
shūyú
疏于
liànxí
练习
  
,
jìyì
技艺
tuìbù
退步
le
了
  
。

The dancer is not as good/skilful as she used to be for lack of persistent practice.

2
Xuénián
学年
kāishǐ
开始
tā
她
de
的
xuéxí
学习
chéngjì
成绩
hái
还
bùcuò
不错
  
,
kě
可
hòulái
后来
jiù
就
kāishǐ
开始
tuìbù
退步
le
了
  
。

At the beginning of the year she did well in school, but then she started moving in reverse.

3
Tā
他
zhè
这
xuéqī
学期
kǎoshì
考试
tuìbù
退步
le
了
  
,
cóng
从
quánbān
全班
dìyī
第一
míng
名
diào
掉
zhì
至
dìsì
第四
míng
名
  
。

He did not do as well as last semester in the exams and backslid from the first place to the fourth in his class.

4
Gōngkè
功课
tuìbù
退步

lag behind in one's studies

As a Verb
yield; make a concession; give in
As a Noun
leeway; room for manoeuvre