follow suit

动词 follow suit:

1. do what someone else is doing

1. He go to bed and she follow suit after a few minute.
   他上床睡觉，几分钟後她也跟著去睡了。
2. One of the major banks has lowered its interest rate and the other bank is expected to follow suit.
   有一家大银行已降低了利率，其他银行也准会照样做的。