I have to surrender when I am out of energy.
我没力气了，不得不投降。
英语解释：~ (yourself) (to sb) to admit that you have been defeated and want to stop fighting; to allow yourself to be caught, taken a prisoner, etc. 投降
,
I have to surrender when I am out of energy.
我没力气了，不得不投降。
英语解释：~ (yourself) (to sb) to admit that you have been defeated and want to stop fighting; to allow yourself to be caught, taken a prisoner, etc. 投降
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