fiddle while Rome burns

be concerned with relatively trivial matters while ignoring the serious or disastrous events going on around one

只顾小事，不看大局

(as) fit as a fiddle

in very good health

非常健康

on the fiddle

(informal)engaged in cheating or swindling

(非正式)行骗

play second fiddle to

take a less important and subordinate role to someone or something in a way often considered demeaning

屈居人下；屈从；迁就

she had to play second fiddle to the interests of her husband.

她不得不迁就她丈夫的喜好。

fiddle away

To waste or squander

浪费

fiddled away the morning with unnecessary tasks.

一早上的时间都浪费在不必要的工作上了