Talking about his height is his pet peeve. He'll get very mad if you mention his height to his face.
 pet peeve things that irritate one a lot things that bother one a lot這裡說的地雷是指會讓一個人很生氣的東西，例句的意思是：身高是他的地雷，如果你踩到就死定了。
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 ffect, which leads to melting of glaciers, which leads to rising sea levels.