cautionn.警告；慎重；戒备；吸引人眼球的人或物vt.警告；劝告cautionary obligation保证债务Caution site entrance当心 工地入口处caution release signal警告解除信号Caution against fire.小心火烛。caution sb. repeatedly一再警告某人cautionary characteristic警告特征caution for concentration守一之宜Caution slippery when wet警告路湿地滑Caution spraying in progress当心农药喷洒中Caution heavy plant crossing建筑施工中