squinting
The German word 'schielen' is used to describe the act of squinting, which is when someone closes or narrows their eyes partially, often to see better or to protect their eyes from bright light. It can also refer to a medical condition where one eye turns inward or outward, causing the person to appear as if they are squinting. In German, 'schielen' can be used as a verb, noun, or adjective.
He began to squint because he stared at the screen too long.
The phrase uses 'schielen' to describe the act of squinting due to straining one's eyes for a long period. The action is given a reason here i.e. staring at the screen for too long, which is a common cause of eye strain and subsequent squinting.
Because of her big eyes, she squints slightly.
In this example, 'schielen' is used to describe a slight squint that is caused by the person's large eyes. The phrase suggests that the physical characteristic (large eyes) is causing the squint.
If you don't use the binoculars correctly, you have to squint.
Here, 'schielen' expresses the necessity to squint when someone doesn't use binoculars properly. The squinting results from the attempt to focus or see better when the tool meant to enhance vision (binoculars) is not used effectively.