のに忙しい

be busy doing

→ の
phrase Uncommon #12,013
be busy doing Follows a verb in its dictionary form to say someone is busy doing that action.
JA: 私は夕食を作るのに忙しい。
EN: I'm busy making dinner.

トムは今夕食を作るのに忙しい。

Tom is busy making dinner right now.

トムは働くのに忙しい。

Tom is busy working.

先生は答案を調べるのに忙しい。

The teacher is busy grading papers.

彼は、手紙を書くのに忙しい。

He is busy writing a letter.

母は庭に花を植えるのに忙しい。

My mother is busy planting flowers in the garden.

父は僕の宿題を見るのに忙しい。

My father is busy looking over my homework.

父は壁を建てるのに忙しい。

My father is busy building a wall.

父は手紙を書くのに忙しい。

My father is busy writing a letter.

私の母は夕食を作るのに忙しい。

My mother is busy making dinner.

私は今本を書くのに忙しい。

I'm busy writing a book right now.