May I give you my mobile phone number?

I know this is sudden, but could you arrange a time for me to meet with the president?

I know this is sudden, but could you arrange a time for me to meet the president?

The mischievous child messed up the neighborhood flower bed.

He is known as the prankster of the class.

His notebook was full of scribbles.

He always has a mischievous smile on his face.

The expansion of this problem should be limited.

In this classical literature, the technique of kakarimusubi is skillfully used.

The person in charge is currently out of office.