squeaky  
adjective uk/ˈskwiː.ki/ us/ˈskwiː.ki/
  (SOUND)     
 C2 吱吱响的;发尖叫声的
making a very high sound
   (SUCCESS)      
 US(在比赛中)险胜的 
only just succeeding in a game, competition, etc.
  The president had a squeaky six-vote win (= he won by only six votes) in Congress. 总统在国会以6票的微弱优势勉强获胜。 
 Idiom  
the squeaky wheel gets the greaseidiom US saying 嘎吱响的轮子先上油;最明显的问题先得到关注
said to emphasize that attention is paid to those problems that are made most noticeable