qualm

n.
1. feeling of sickness. nausea恶心。
△2H.VI.1.1.54(53): “Pardon me,gracious lord,/ Some suddenqualm hath struck me at the heart / And dimmedmine eyes that I can read no further.”请原谅我，仁慈的陛下，我心头突然感到一阵恶心，两眼发黑，我读不下去了。
2. heartburn烧心。
△L.L.L.5.2.280 (279):“Qualm,perhaps.”大概是心痛。