protracted

动词 protract:

1. lengthen in time; cause to be or last longer
   同义词：prolong, protract, extend, draw out

形容词 protracted:

1. relatively long in duration; tediously protracted
   同义词：drawn-out, extended, lengthy, prolonged

1. The protracted rain spell has completely mucked up our plans.
   长时期的下雨把我们的计划全打乱了。
2. The state of being protracted.
   被延伸被延伸的状态