“恳谈”常见的英文表达有 “have a heart-to-heart talk” 或 “have a frank and sincere discussion” 。
“have a heart-to-heart talk” 侧重于强调交谈双方坦诚、深入地交流内心想法和感受 ，例如：We need to have a heart-to-heart talk about our future.（我们需要就我们的未来进行一次恳谈。）
“have a frank and sincere discussion” 更突出交谈的坦率和真诚，例如：The two sides had a frank and sincere discussion on the cooperation project.（双方就合作项目进行了一次恳谈 。 ）