overstay
verb /ˌəʊvəˈsteɪ/
  /ˌəʊvərˈsteɪ/
动词形式
Idioms | present simple I / you / we / they overstay |  /ˌəʊvəˈsteɪ/  /ˌəʊvərˈsteɪ/ | 
| he / she / it overstays |  /ˌəʊvəˈsteɪz/  /ˌəʊvərˈsteɪz/ | 
| past simple overstayed |  /ˌəʊvəˈsteɪd/  /ˌəʊvərˈsteɪd/ | 
| past participle overstayed |  /ˌəʊvəˈsteɪd/  /ˌəʊvərˈsteɪd/ | 
| -ing form overstaying |  /ˌəʊvəˈsteɪɪŋ/  /ˌəʊvərˈsteɪɪŋ/ | 
- overstay something to stay longer than the length of time you are expected or allowed to stay停留过久 - They overstayed their visa.他们居留超过了签证期限。 
 Collocations DictionaryOverstay is used with these nouns as the object:- visa
- welcome
 
- They overstayed their visa.
Idioms 
outstay/overstay your welcome 
- to stay somewhere as a guest longer than you are wanted做客太久而不再受欢迎 - Sensing that he had outstayed his welcome, he quickly said his goodbyes and left.他感觉到自己逗留的时间太长已经不再受欢迎,赶快说声再见就离开了。 
 
- Sensing that he had outstayed his welcome, he quickly said his goodbyes and left.