judder
🇺🇸
/ˈdʒʌdər/
🇬🇧
/ˈdʒʌdə(r)/
to shake or vibrate roughly
The old train started to judder as it went over the uneven tracks.
낡은 기차가 울퉁불퉁한 선로를 지날 때 흔들리기 시작했다.