cry
The Italian word 'piangere' is used to express the act of crying, which can be either from sadness or from joy. It is a verb and can be conjugated to fit the context of the sentence. For example, 'io piango' means 'I cry'.
I don't want to see you cry.
This sentence is an emotion-laden statement, often used by someone who cares about the person they are speaking to. The verb 'piangere' is used in its infinitive form here, directly following the verb 'vederti', which means 'to see you'.
When he lost his dog, he started to cry.
The sentence describes an emotional reaction related to the loss of a pet. Here, 'a piangere' is an infinitive verb used to describe the action that started after the event of the dog being lost.
Stop crying over every little thing.
This sentence is an admonition likely addressed to someone who tends to overreact. In this context, the verb 'piangere' is used to emphasize the speaker's irritation towards the listener's sentimentality.