1. My boyfriend keeps pushing me to marry him, and I keep putting him off because I am not sure if he's right for me.2. My former boss wants me to come back and work for him and keeps pushing me for an answer, and I keep putting her off because I am not sure if the job is right for me.
 keep putting somebody off keep postponing keep delayingput her off 就是拖延對她的回應的意思，很好用
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effct, which leads to melting of glaciers, which leads to rising sea levels.