ReadWriteQuiz
Chinese dictionary
will not refuse under any circumstances; will never decline
虽赴汤蹈火,也在所不辞
would not hesitate to brave hell and high water
尽管有些冒险,甚至流血牺牲,我也在所不辞。
It may be somewhat risky, and may even demand my blood or life, but I will not hesitate.