重点讲解：
1. get caught up in
牵扯进；卷入；
eg. Many African women, for reasons of poverty, get caught up in the drug trade.
许多非洲妇女为贫穷所迫堕入贩毒行业ORLiMK*Yu~(@sJnI。
eg. It's easy to get caught up in the social whirl.
很容易被纷繁的社交活动缠得脱不开身TME9+=zW69C7!5。
2. be responsible for
负有责任的；应承担责任的；
eg. The holder of the office of chairman is responsible for arranging meetings.
担任主席的人有责任安排会议yQ+2g!ZLINu[dRyLr。
eg. He made an assertion that he was not responsible for it.
他硬说他对此事没有责任6z=2)S7;ad。
3. be up to sb.
由…负责；
eg. I'm sure I'd have spotted him if it had been up to me.
我相信要是换成我，我一定能找到他f(d^!f2J-N8I;;VPwn。
eg. It's up to him to resolve this problem.
这个问题应由他来解决yswuul3AidN;sCbejqg#。
4. point out
指出；
eg. Can you point out the man you suspect?
你能把你怀疑的人指出来吗？
eg. They'd already driven along the wharf so that she could point out her father's boat.
他们已经开车沿码头走了一遍，好让她指出哪艘是她父亲的船#[#~(Fvk@sTb。
5. put one's foot down
拿定主意阻止；执意反对；
eg. We have to put our foot down on that.
我们必须阻止那件事4F26|jiKhL3tZmU=6=。
eg. My husband wanted to buy a puppy, but I would have to look after it so I put my foot down and said No.
我丈夫想买一条小狗，但我得照料它，因此我坚持不同意=ZF#l]55jYf.!V1*Rj。