Singer is you and me, the heart is always the strings, firm and persistent.

歌手是你和我，心是永远的琴弦，坚定而执着。

youdao

We should seize the uncommon chance and forge ourselves to be a useful man, a firm and persistent man!

我们要抓住这个机会，这个难得的机会，把自己锻炼成一个有用的人，一个坚毅的人！

youdao

The desolate sands was a little bit acclivitous towards the plain, the tone was firm and persistent and austere.

略微向平原倾斜的荒滩，景物的色调是坚毅的、严峻的。

youdao

The money-tracking firm found no persistent link between past equity-fund performance and future returns.

FORBES: Betting On The House

Then there is the persistent urban myth that MF Global had a cloaking device that misfired and destroyed the firm.

FORBES: God Of The Dead Hedge Fund Mummified By Feds