Correct

上紧

/ shàng jǐn /
Strokes

Example

As a Verb

hasten; lose no time (in doing sth); speed up

1
Kuài
期末
kǎoshì
考试
le
  
,
de
shàng
jǐn
复习
gōng
功课
le
  

As the final examination is approaching, we shall lose no time in revising our lessons.