[jí shí]
（正赶上时候） timely; in time; seasonable
sow in good time
及时播种
timely advice
及时的忠告
This is a timely rain indeed.
这场雨下得真及时呀!
（不拖延； 立即） promptly; without delay
report without delay
及时汇报
Get prompt treatment when you are ill.
有病要及时治疗。
Problems, if any, should be solved without delay.
有问题要及时解决。