R
reaction to 对-----的反应
recovery from 从-----中恢复
resist temptation 抵制诱惑
run / take a risk 冒险
S
set up (remove) a barrier between 在------中设置（拆除）障碍
set up a claim to sth. 对-----提出要求
set / give a good example to sb. 给某人树立榜样
set the fashion 创立新式样
set fire to 点燃
set a trap 设陷阱
substitute for sth. 代替物