Correct

立马

/ lìmǎ /
Strokes

Definition

at once/immediately/promptly/swiftly

Example

As a Verb

pull up a horse

1
Shuí
gǎn
héngdāo
横刀
立马
  
?

Who dares to pull up the horse with a sword drawn to check the advance of the invading army?

As an Adverb

immediately; instantly; at once; right away

2
tīngdào
听到
zhè
xiāoxi
消息
  
,
立马
biànliǎn
变脸
  

As soon as he heard the news, his face darkened.

3
立马
jiù
lái
  

I'm on the way. / I'll be over in a minute.