They overstayed their visa.
他们居留超过了签证期限。
牛津词典
Up to forty per cent of the students had overstayed their visas.
高达40%的学生签证均已过期。
Finally, never overstay your welcome.
最后要注意的是, 千万别逗留过久而惹人生厌.
期刊摘选
RA : If they overstay, they could be subject to arrest and deportation.
罗博: 如果学生逾期居留, 他们很有可能被逮捕和逮解出境.
期刊摘选
We visited some friends in France, but we didn't want to overstay our welcome and left after a couple of days.
在法国,我们拜访了几位朋友; 但因为不想令人生厌,几天后就离开了.
《简明英汉词典》
Don't leave immediately after dinner, but don't overstay your welcome, either.
不要吃完就走, 但也不应逗留过长.
期刊摘选
"overstay or outstay one's welcome"