Academic IELTS (Band 6-7) - Perceiving The Senses

to carefully watch something in order gain knowledge or understanding about the subject

to carefully look at something

to see or observe with the eyes

to look at someone or something without moving the eyes or blinking, usually for a while, and often without showing any expression

to look at someone or something without blinking or moving the eyes

to briefly look at someone or something

to inhale air audibly through the nose, often to detect or identify a scent or odor

to look at or observe someone or something in a particular way, often with interest or suspicion

to secretly listen to a conversation without the knowledge or consent of those involved

to see an act of crime or an accident