Correct

落单

/ luòdān /
Strokes

Definition

to be on one's own/to be left alone/to be left out

Example

As a Verb

be alone

1
Chū
出发
hòu
  
,
yào
不要
luòdān
落单
  
,
yào
jiā
大家
zǒu
zài
一起
  

Stay with others after we set out. Don't go alone.