How to say "趁着大唐收拾北地腾不出手来" (chèn zhe dà táng shōu shí běi dì téng bù chū shǒu lái) in Chinese dialogue

chènzhetángshōushíběiténgchūshǒulái

Great Tang was busy dealing with the Northern lands,

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0135:05
yuán
běn
duō
hǎo
de
miàn

It was a good situation for us at first.

LINE 0235:08
PLAYING SCENE
chèn
zhe
táng
shōu
shí
běi
téng
chū
shǒu
lái

Great Tang was busy dealing with the Northern lands,

LINE 0335:11
cháng
ān
guān
chǎng
hùn
dùn

the officials of Chang'an were in turmoil,

Show Information
Source MediaTV Series
Season & EpisodeS2 E25
Timestamp35:08
TMDB ID124595