Correct

连天

/ liántiān /
Strokes

Definition

reaching the sky/for days on end/incessantly

Example

As a Noun

several days straight/running/on end; consecutive days; days in succession/in a row; day after day

1
Liántiān
连天
lián
连夜

for days and nights

As a Verb

be continuous/incessant

2
Shāshēng
杀声
liántiān
连天

deafening/air-rending battle cries

3
Pàoshēng
炮声
liántiān
连天

gunshots keeping rumbling

4
Jiàoliántiān
叫苦连天

complain incessantly; make endless complaints

As a Verb

reach/touch the sky

5
Fāngcǎo
芳草
liántiān
连天
  

Sweet green grass extends to the horizon in the distance.