第一个问题回答是肯定的!
第二个问题suffer的用法
vt.
1.遭受;经历
He suffered many humiliations before he became a football star.
他在成为足球名将前受过许多屈辱.
2.(常用于否定句)忍受
I cannot suffer such rudeness.
我不能容忍这种粗鲁的举止.
3.容许;任凭
vi.
1.受苦;患病[(+from)]
He suffered from poverty all his life.
他一生受贫穷之苦.
2.受损害,受损失;变糟[(+for/from)]
This scientific instrument suffered severely.
这部科学仪器受到严重损坏.
3.受惩罚;被处决[(+for)]
He suffered for his offence.
他因自己的过错而受到惩罚.
第三个问题不是不及物动词.down这里不是介词,只有介词才能放在宾语的前面来修饰动词.down在这里是宾补,修饰sb,一般习惯放在宾语后面