Bert, you're tying up the line.

伯特你这是占着茅坑不拉屎。

Don’t tie up the phone lines making personal calls.

【tie】不要一直占着电话线打私人电话。

Well, not recently. And I prefer not to tie up the line.

那也不是最近的事了 我可不想妨碍公务。