amount to相当于、等于……
answer for负责、保证……
appeal to sb．for sth．为某事向某人提出呼吁
apply to sb．for sth．请求某人……
appoint sb．to任命、委任某人为……
approach sb．on／about sth．为某事同某人打交道
approve of对……满意
argue with/against sb．about／on sth．与某人辩论某事
argue sb．into／out of doing sth．说服某人做或不做某事
arise from由……而产生、而引起
