an army marches on its stomach

見 stomach

you and whose army?

(informal)used as an expression of disbelief in someone's ability to carry out a threat

(非正式)[用于表示懷疑對方進行威脅的能力]你行嗎？你干得了嗎？

‘One word to him and I'll have you.’ ‘You and whose army?’.

“你只要向他透露一個字，我就揍你。”“你行嗎？”。