by all means
US /baɪ ɔːl miːnz/
UK /baɪ ɔːl miːnz/

1.
当然可以, 尽管
used to express permission or agreement
:
•
“May I borrow your pen?” “By all means.”
我能借你的笔吗?" "当然可以。
•
If you need help, by all means, ask.
如果你需要帮助,尽管问。
2.
务必, 不惜一切代价
used to emphasize that something should be done or is true
:
•
You must by all means finish your homework before watching TV.
你务必在看电视前完成作业。
•
We need to succeed by all means possible.
我们必须不惜一切代价取得成功。