= process by which parts of the body shake involuntarily as a result of a certain emotion

literally: (one's) ears tingle; hence: = process by which humans experience fear and amazement when they hear about certain events

= process by which humans move down below the surface of a liquid

= process by which the light of day starts fading and darkness begins to set in

= state in which a large object blocks the light of the sun and provides shadow for a certain area