关 (pinyin guān, "to close") is an HSK 1 Mandarin character with 6 strokes, built on the radical 丷.

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关

New

guān

to close

Tone 1 · First tone (high level)

Strokes

HSK

1 · tier 1b

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Characters with the same rime -uan, same-tone matches first. Many are true phonetic relatives; others are coincidental.