sick /sik/ adj.1.有病的：He lay in bed sick.他卧病在床。2.恶心的(只作表语)：feel sick觉得要呕吐 I am always sick in car.我晕车。Mark felt sick with fear.马克怕得感到一阵恶心。3.(口语)厌倦的，厌恶的： It makes me sick to think of it.一想到它，我就恶心。
sickly adj. 多病的；体弱的：She was a thin, sickly child.她是一个体弱多病的孩子。
sickness n. (生)病；呕吐：a country sickness思乡病；chronic/long/long-term sickness慢性病/长远病；acute sickness急性病；motion/car/travel sick晕车 She was absent through sickness.她因患病没来。Don’t hide your sickness for fear of treatment.绝不要讳疾忌医。Sickness often results from eating too much.呕吐常因饮食过量所致。
［辨析］与disease和illness辨见disease
