Sources: 

President Trump remains publicly critical of Iran's latest peace proposal, declaring himself
"not satisfied" and asserting a desire to
"win by a bigger margin" in the ongoing conflict that has caused substantial casualties.
During a recent appearance, Trump reiterated,
"I'm not satisfied with it. We'll see what happens", emphasizing that Iran's military capabilities have weakened significantly. While Iranian representatives have communicated a proposal to the U.S. via Pakistani mediators, its specific details remain undisclosed.
Trump characterized Iran as eager to negotiate due to its depleted military, suggesting that the Islamic Republic seeks to end hostilities to prevent further losses. According to reports, the ongoing ceasefire, which has been in effect since April 8, is vulnerable to deterioration, with both sides indicating a willingness to resume conflict if negotiations falter.
Iran continues to warn that it is prepared for escalation, threatening the U.S. and its interests in the region amidst claims of stalled negotiations that now extend for weeks. As tensions rise, many analysts are concerned about the implications of Trump's hardline stance on both national and international security.
Sources: 

President Donald Trump expressed dissatisfaction with Iran's recent peace proposal, insisting that he seeks a larger victory in the ongoing conflict. This comes amid heightened tensions as negotiations stall and Iran signals readiness to escalate if necessary, following a ceasefire that has held since early April.