1. writing such a book is very time-consumingنگاشتن چنین کتابی بسیار وقت گیر است.2. the decoration of the streets was costly and time-consumingآذین بندی خیابان ها پرخرج و وقت گیر بود.
• taking up very much time; wasting much timesomething that is time-consuming takes a great deal of time to do.
timesuck = timesinkTaking a long time, wasting timeوقت گیرA thing that is difficult and you should waste alot of time with itوقت گیرتلف کننده ی وقتهدر دهنده ی وقتزمان بر+ عکس و لینک