久

久 [jiǔ] 形

1. ■ （时间长） for a long time; long:

很久以前 long ago;

久经考验的战士 a long-tested fighter;

天长日久 after a considerable period of time;

让你等的时间久吗? Have you been waiting long?

对不起, 让你久等了。 Sorry to have kept you waiting.

名

1. ■ （时间的长短） of a specified duration:

两个月之久 for as long as two months;

你抽烟多久了? How long have you been a smoker?