- 久 [jiǔ]
- （时间长） for a long time; long:
long ago; 很久以前
a long-tested fighter; 久经考验的战士
- （时间的长短） of a specified duration:
for as long as two months; 两个月之久
How long have you been a smoker? 你抽烟多久了?
There was a long lag in forwarding mail to us.
He had been ill for a long time and consequently he was behind in his work.
How long will the discharge of the cargo take?
China is an oriental country with a long history.
How long did it last?
How long will it take to get to your house?
How long have you been here?
Long time no see.