When a baby starts weaning, you begin to give them solid food little by little.

The baby has started to wean.

Day after day, he continued to strive to solve the problem.

I have been to Thuringia.

She gave him a kiss.

He kissed her.

The mouse squeaked 'chu'.

I think that person is what you call a 'chuunibyou'.

I started studying for the junior high school entrance exam for junior high school students.

He received a command from his boss and started a new project.