Tsk tsk, you should know better than to cheat on a test.

She shook her head and said, 'Tsk tsk.'

Tsk-tsk, you should have known better.

She tsk-tsked at his messy room.

The teacher gave the students multiple tsk tsks for their behavior.

She tsk-tsks at her messy room.

Tsk, that's not how you do it.

She tsked at his bad manners.

She tsks at her brother for leaving his dirty clothes on the floor.

She was tsk-tsking at the messy room.