bed of roses
US /ˌbed əv ˈroʊ.zɪz/
UK /ˌbed əv ˈroʊ.zɪz/

1.
一帆风顺, 轻松愉快
a situation or activity that is easy and pleasant
:
•
Life is not always a bed of roses.
生活并非总是一帆风顺。
•
Being a parent is rewarding, but it's certainly not a bed of roses.
为人父母是值得的,但绝非一帆风顺。