1.
무너지다
[
무너지다
/
m
u
-
n
eo
-
j
i
-
d
a
]
collapse
2.
붕괴
[
붕궤
/
b
u
ng
-
g
we
]
collapse
3.
좌절
[
좌절
/
j
wa
-
j
eo
l
]
collapse
4.
내려앉다
[
내려안따
/
n
ae
-
r
yeo
-
a
n
-
tt
a
]
collapse
* If you cannot hear voice, click upper play button. Thanks.