重點講解：
1. cry one's eye out
痛哭；
eg. She cried her eyes out at the loss of the necklace.
她丟失項鏈后哭得很傷心。
eg. You can cry your eyes out all day, but you will get no sympathy from me.
你可以大哭一整天，但是我決不會同情你。
2. laugh one's head off
（表示強調(diào)）大笑；
eg. He carried on telling a joke, laughing his head off.
他繼續(xù)講笑話，自己笑得前仰后合。
eg. It's so funny that I laugh my head off.
這個太好笑了,以至我狂笑不已。
3. seem to do sth.
（在描述自己的感覺、想法、經(jīng)歷時用于緩和語氣）好像，似乎；
eg. He doesn't seem to understand the gravity of the situation.
他似乎沒有意識到形勢的嚴(yán)重性。
eg. I can't seem to throw off this feeling of inertia.
我好像無法擺脫這種無力的感覺。