Mr. Chen feels that step by step he was pushed into the snare of "having no option but following along." If from the beginning he had known that her desire to stay long term in the United States was so strong, he could have spent more time talking things over with her.
陳先生覺得他是一步步掉入「不得不跟著去」的陷阱，如果一開始知道她想長期留下來的想法如此強烈，他會試著慢慢溝通。