Monica: Why don't you just take it with you? 你何不带进去?
Chandler: Yes, it's working! Why isn't she calling me back? 是的,这电话没问题啊,她为何不回我电话?
Phoebe: So, uh, why didn't you say anything? 你为何不说话?
Phoebe: Why would you leave your Belgian waffle in the hall? 你怎么会把华夫饼放在走廊里啊?
Phoebe: Hey, woo, woo, why is the air in here so negative? 嘿,呃,这的气氛怎么不太对呢?
Joey: You know what, you guys, it's their first time. Why don't we just forget about the money. 兄弟们,你看这是姑娘们第一次玩,咱就先别算钱。
Chandler: You know I don't believe you. Yolanda is so great. Why won't you go out with her again? 真不敢相信,尤兰达那么好,你干嘛不再跟她约会了?