对天长叹 duìtiānchángtàn sigh in despair Definitions Defs Origin Strokes Stroke Words Sentences Sents 对 對 duì preposition to face to face; to be opposite to天 tiān noun sky sky; heavens; the space above the earth长叹 長嘆 chángtàn verb to sigh deeply to give a long, deep sigh
