thank your lucky stars
US /θæŋk jʊər ˈlʌk.i stɑːrz/
UK /θæŋk jʊər ˈlʌk.i stɑːrz/

1.
感謝幸運星, 慶幸
to be grateful for good fortune or for having avoided something bad
:
•
You should thank your lucky stars you didn't get caught in that traffic jam.
你應該感謝你的幸運星,你沒有被堵在那個交通堵塞裡。
•
I thanked my lucky stars that I remembered my passport at the last minute.
我感謝我的幸運星,我在最後一刻想起了我的護照。