His hands were tied.

There is an old incandescent light bulb in my room.

I plan to go to the national museum this weekend.

Thinking sensibly, that plan will not succeed.

He has astronomical knowledge.

Knock-knock, someone is knocking on the door.

He is interested in ichthyological research.

He cut the apple.

He rejoiced when he heard about the success.

She dyed her hair blue.