及时 1.(正赶上时候) timely; in time; seasonable 及时播种 sow in good time; 及时的忠告 timely advice; 这场雨下得真及时呀! this is a timely rain indeed.2.(不拖延;立即) promptly; without delay 及时汇报 report without delay; 有病要及时治疗。 get prompt treatment when you are ill. 有问题要及时解决。 problems, if any, should be solved without delay.; 及时性 timeliness; 及时修改 time update