lengthy
/ˈleŋθɪ; `lɛŋθɪ/ adj
(-ier, -iest)
1 very long 很长的: Lengthy negotiations must take place before any agreement can be reached. 要进行多次长时间谈判才能达成协议.
2 (derog 贬) tiresomely long; long and boring 冗长的; 长而乏味的
lengthy explanations, speeches, etc 冗长的解释、 讲话等.