同情一個朋友的苦難是任何人都能做到的，但同情一個朋友的成功則需要具有十分出色的素質。Anybody can sympathise with the sufferings of a friend, but it requires a very fine nature to sympathise with a friend's success.

同情一個朋友的苦難是任何人都能做到的，但同情一個朋友的成功則需要具有十分出色的素質。
Anybody can sympathise with the sufferings of a friend, but it requires a very fine nature to sympathise with a friend's success.