HSK V3
Correct

只是

/ zhǐshì /
Strokes

Definition

merely/simply/only/but

Example

As an Adverb

only; just; merely; no more than

1
jīntiān
今天
jìnchéng
进城
  
,
zhǐshì
只是
kànkan
看看
péngyou
朋友
  

I'm going to town today just to see a friend.

As an Adverb

simply

2
jiā
大家
wèn
shì
shénme
什么
shì
  
,
zhǐshì
只是
xiào
  
,
huí
回答
  

Instead of giving a reply, he just smiled when he was asked what had happened.

As a Conjunction

except that; only; but; however

3
men
我们
běnlái
本来
xiǎng
guàng
gōngyuán
公园
de
  
,
zhǐshì
只是
zhí
一直
xià
下雨
  

We had planned to go to the park, but the rain just wouldn't stop.