Ichi-nensei ni shite wa, zuibun ōkii desu ne. (She is quite big for a first grader.)

Situation 1: Mariko is at home playing with her classmate Rumi. Their mothers, Mrs. Okubo and Mrs. Yamashita, are chatting nearby.

山下: まりちゃんは、一年生にしては、ずいぶん大きいね。