【tie up】
[color=#444444][font=Arial, Helvetica, sans-serif][size=5]tie做动词讲时有系, 打结的含义。Tie up的含义是占用,被动的be tied up就有忙碌于的意思。她整个早上都被一场会议占了: She was tied up in a meeting all morning[/size][/font][/color] She was tied up in a meeting all morning I also too She was tied up in a meeting all morning页:
[1]