As a single father, he is doing his best to raise his child.

Open the icon with a single click.

Open the file with a single click.

The motherboard of my computer has broken.

They (referring to women or girls) are my best friends.

I like watching children play in the park.

He always lives without forgetting his child's naive mind.

He is called a 'kid's room uncle', and is alienated from society.