But he stressed that, while his fist was still unclenched, the onus was on Iran to grasp it.
但是他强调说，虽然他的拳头依旧是松开的，但是要不要抓住这只松开的手，应该是伊朗方面的问题。
3
Keep your hands in an unclenched fist, with your fingers lightly touching your palms. Imagine yourself trying to carry a potato chip in each hand without crushing it.