Correct

开房间

/ kāi fáng jiān /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/开房间-Chinese-idioms-Cchatty-ecb68420-82d5-4a3a-b5e0-0e239c08fa24-1612777028.jpg

Collocation

1
开……(一个或多个)房间
2
在宾馆开房间
3
开房间很方便

Definition

开房间

Literally means:

rent a room in hotel

Actually means:

Sometimes implying a night with one's lover in the hotel room.

有时指和情人在旅馆过夜。

Example

Used as predicate or subject. It can be used with words in between. (作谓语、主语,中间可插入别的词语
1
jiā
我家
fāng
地方
  
,
wài
外地
qīnqi
亲戚
lái
le
jiù
dào
得到
guǎn
旅馆
kāi
fángjiān
房间
  

My home is not a big place, foreign relatives came to get a hotel room.

2
Zhè
这里
guǎn
旅馆
hěnduō
很多
  
,
kāi
fángjiān
房间
hěn
biàndāng
便当
  
,
lái
qián
以前
zhǐyào
只要
shìxiān
事先
tōngzhī
通知
jiù
háng
le
  

There are a lot of hotels here, it's very light to open a room, you come before you just let me know in advance.

3
Tīngshuō
听说
lǎo
老婆
zhèngzài
正在
nào
hūn
离婚
  
,
yīnwèi
因为
jīngcháng
经常
biède
别的
rén
女人
kāi
fángjiān
房间
  

I heard that his wife was getting divorced from him because he often opened rooms with other women.