心律不齐 xīnlǜbùqí arrhythmia Definitions Defs Origin Strokes Stroke Words Sentences Sents 心律 xīnlǜ heart rhythm rhythm of the heartbeat不 bù adverb not Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings齐 齊 qí verbadjective neat neat; even; level with; in a straight line