ARiya anbil adiyAr tham ArvaththAl
kURiya kuRRamAk koLLal nI - thERi
nediyOy! adi adaithaRkanRE Iraindhu
mudiyAn padaiththa muraN

Meaning:

nI kuRRamA koLLal  		- You should not mistake
kURiya  			- the words said
adiyAr  			- by devotees
tham ArvaththAl  		- with their eagerness,
ARiya anbu il  			- who do not having the blossomed devotion;
nediyOy  			- O Lord!
padaiththa  			- Did not
padaiththa muraN  		- the enemity of
Ir aindhu mudiyAn  		- Ravana with the ten heads
thERi  				- become removed
adaidhaRku anRE  		- and became a reason to reach
adi  				- Your divine feet.

Vyakhyana Saram:
After seeing Yasodha's true love, Azhvar's devotion appears to himself as false and practically equal to opposing the Lord. He prays to Him to forgive this false devotion.