形容詞 worth while:

1. sufficiently valuable to justify the investment of time or interest
   同義詞：worthwhile

1. It is worth while to take a trip abroad.
   到國外旅行是值得的。
2. It is worth while to read the book.
   讀這本書是值得的。
3. It is worth while to learn English.
   學英文是值得的。
4. I enjoy convalescence; it is the part that makes the illness worth while.
   我很欣賞復原期，那是使人覺得生病還是合算的一段時間。