重点讲解：
1. back and forth 来回；往返；
I could see the branches of the trees moving back and forth.
我能看到树枝来回摇摆n=bZ&_#%h@*Mr。
2. out of phase with 不同步的（地）；不协调的（地）；
The Skills Programme is out of phase with the rest of the curriculum.
技能课程与其他课程不协调Bli1!xsxXxPf。
3. interfere with 妨碍；冲突；抵触；
She never allows her personal feelings to interfere with her work.
她从不让她的个人感情妨碍工作]43c=x0l*;Z9dD。
4. even if 即使；尽管；纵然；
I only take on work that excites me, even if it means turning down lots of money.
我只做那些令我感兴趣的工作，即使这意味着要少赚很多钱N.A;96aNkI4HekJXFlh。