Children without parents are lonely.

The shape is only [xíng dān yǐng zhī]: body; Only: one person. Only your own body and your own shadow. Describe loneliness, no company.

Loneliness [G363K ǔ lí ng d Ρ ng] Loneliness: loneliness and helplessness. Lonely and miserable, with no support.

A person [jierá n y 283shn]: A person. Lonely, single people.

Helpless 【 wú y and wú kà o 】 describes loneliness and helplessness.

Unaccompanied [jǔ mù wú qīn] I raised my eyes and couldn't see a relative. Metaphor is single, in a strange place.