1. If the reports are well-founded, the incident could seriously aggravate relations between the two nations. 如果这些报道是有根据的，那么该事件将可能导致两国间的关系严重恶化。
2. In fact our admiration for the comically gifted is relatively new and not very well-founded, says Rod Martin, a psychologist at the University of Western Ontario. 西安大略大学的心理学家罗德马丁说：“事实上，我们对喜剧天才的崇拜是相对较新且没有根基的。”
3. Our counteroffer is well-founded. 我们的还价是很合理的。
4. Her fear is well-founded. 她的恐惧是有根有据的。
5. My fears that we would lose the game were well-founded. 我担心我们可能会输掉这场比赛是有充分根据的。
