NO. 1, make sure you're in a well-ventilated area. 第一，确保你们是在一个通风好的地方。(ventilate：通风。)

169. Rachel: Really?
     真的？
170. Fireman No. 1: Oh, sure, Valentine's is our busiest night of the year.
     哦，当然，情人节之夜是我们一年里最忙的时候。
171. Fireman No. 2: Look, ladies, in the future when you're burning your ex-boyfriend's stuff,
     听着，女士们，下一次你们烧前男友的东西时（请注意）：
172. NO. 1, make sure you're in a well-ventilated area.
     第一，确保你们是在一个通风好的地方。(ventilate：通风。)
173. NO. 2, if you're gonna burning his clothing, you gotta wanna stay away from synthetic fibrous.
     第二，如果你们要烧他的衣服，最好小心合成纤维材料。(fibrous：含纤维的，纤维性的。)
174. NO. 3, try to let go of the anger, and learn to love yourself.
     第三，试着放掉你们的怒气，学会爱护自己啊。
175. Janice: I brought you something.
     我给你买了东西。

来自《老友记 第一季 第十四集 情人节糖果 Friends S01E14: The one with the Candy Hearts》第 172 行