1.step forward 向前;前进
When one is in difficulty, all step forward to help.
一人有难,众人相助
。2.go for 支持;适用于
People tried to persuade him to go for a more gradual reform programme.
人们试图说服他采取更为渐进的改革方案
。3.in exchange for 交换;用......交换
The trade unions bargained away their rights in exchange for a small pay rise.
工会不惜牺牲自己的权利以换取微薄的加薪
。4.interfere with 妨碍;干扰
It will seriously interfere with the progress of the work.
它将严重干扰工作的进展
。