HSK 7-9
关切
guānqiè动
to be deeply concerned; to be troubled (by)
居民十分关切河水污染问题。
Jū mín shí fēn guān qiè hé shuǐ wū rǎn wèn tí.
Residents are deeply concerned about river pollution.
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Appears across levels (7-9) in the HSK 3.0 word list.