。
Her eyes were brimming with tears.
Literal
She [topic-は] eyes [at-に] tears [object-を] full was-holding.
目に涙をいっぱいためていた — 溜める (ためる, 'to accumulate, store up') describes tears welling up. いっぱい ('full, to the brim') intensifies the image, picturing eyes on the verge of overflowing.