Primary stress is on the THIRD syllable with the second syllable being the secondary emphasis. 

节奏形式

duh       Daduh              DA       duh       
we’ll     think it             O-         ver.
I’ll        do it                 LA-       ter.
a          piece of            CHO     collate.

With Unexploded plosives （带有失去爆破的例子）
duh       Daduh              D(A)     duh       
it’s       nearly               MID-     night.

duh       D(a)duh            D(A)     duh       
it’s       not the             FIRST   time.
you      need to             ASK     him.