牵一发而动全身qiān yī fà ér dòng quán shēnpullone hair and you move the whole body—a slight move in one part may affect the situation as a whole
❍ 他们害怕“～”，害怕这会产生连锁反应。They were anxious about the outcome of any single change. They fear that this will cause a chain reaction. 牵一发而动全身qian yi fa er dong quan shenpull one hair and you move the whole body—a slight move in one part may affect the whole situation |