Correct

生龙活虎

/ shēng lóng huó hǔ /
Strokes

Definition

lit. lively dragon and animated tiger (idiom)/fig. vigorous and lively

Example

Definition

doughty as a dragon and lively as a tiger—brimming/bursting with energy; full of vim and vigour; full of vitality

1
Zhèxiē
这些
niánqīng
年轻
de
xuéshēng
大学生
gàn
huó
lái
zhēnshi
真是
shēnglónghuó
生龙活虎
  

The young college students work with furious energy.