Correct
别是
/ biè shì /
Strokes
Example
As an Adverb
［used to express supposition that sth undesired may happen or have happened］
1
Tā
他
hái
还
méi
没
lái
来
,
bièshì
别是
dǔchē
堵车
le
了
。
He hasn't come yet. I hope he is not bogged down in heavy traffic.
2
Méi
没
rén
人
yìngshēng
应声
,
biè
别
shì
是
lǐbian
里边
méi
没
rén
人
bā
吧
!
There's no response. Maybe no one is inside.