be down to
US /bi daʊn tu/
UK /bi daʊn tu/

1.
歸因於, 是...的結果
to be the result of a particular thing
:
•
The success of the project was down to hard work and dedication.
專案的成功歸因於辛勤工作和奉獻精神。
•
Her poor performance was down to a lack of preparation.
她表現不佳是由於缺乏準備。
2.
取決於, 是...的責任
to be someone's responsibility
:
•
It's down to you to make sure everyone is informed.
確保每個人都知情是你的責任。
•
The final decision is down to the manager.
最終決定取決於經理。
3.
只剩下, 減少到
to have only a particular amount of something left
:
•
We're down to our last few dollars.
我們只剩下最後幾美元了。
•
After all that work, we're down to the final two candidates.
經過所有這些工作,我們只剩下最後兩名候選人。